It has 8 miles of wire just to connect the electrical power system. That will be enough to connect a hairdryer in Newark, New Jersey, to a power plug in New York City.
It has a complete surface area the size of a US football field, which actually makes it almost as large as the Tantive V, the Corellian Corvette that carried Princess Leia.
According to NASA, “there are 52 computers controlling the ISS.” Just for the US segment, there are “1.5 million lines of flight software code run on 44 computers communicating via 100 data networks transferring 400,000 signals.”
According to NASA, “the ISS has more than 100,000 people working for space agencies and more than 500 contractor facilities in 37 US states and 16 countries.” 68 countries have been involved on the research onboard the station.