Googolplex is such a big number that there are not enough particles in the entire universe to write it down
This number was invented by American mathematician Edward Kasner. It equals 10 in Googol power (1 and 100 zeros after it). The number of particles in the entire Universe is estimated to be “just” 10 to the power of 81.
Source: Bright Side: https://brightside.me/wonder-curiosities/14-startling-facts-that-impressed-us-664810/
Tags: Edward Kasner Googolplex