57516112121982 has 16 divisors (see below), whose sum is σ = 115041345973632. Its totient is φ = 19170517085720.

The previous prime is 57516112121981. The next prime is 57516112122011. The reversal of 57516112121982 is 28912121161575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57516112121981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379990098 + ... + 380141429.

It is an arithmetic number, because the mean of its divisors is an integer number (7190084123352).

Almost surely, 2^{57516112121982} is an apocalyptic number.

57516112121982 is an abundant number, since it is smaller than the sum of its proper divisors (57525233851650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57516112121982 is a wasteful number, since it uses less digits than its factorization.

57516112121982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760144143.

The product of its digits is 604800, while the sum is 51.

The spelling of 57516112121982 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred twenty-one thousand, nine hundred eighty-two".