It is a happy number.
57516112121980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
Almost surely, 257516112121980 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57516112121980 is a wasteful number, since it uses less digits than its factorization.
57516112121980 is an odious number, because the sum of its binary digits is odd.
The spelling of 57516112121980 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred twenty-one thousand, nine hundred eighty".