57516112121100 has 36 divisors (see below), whose sum is σ = 166413284404584. Its totient is φ = 15337629898880.

The previous prime is 57516112121071. The next prime is 57516112121101. The reversal of 57516112121100 is 112121161575.

It is not an unprimeable number, because it can be changed into a prime (57516112121101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95860186569 + ... + 95860187168.

Almost surely, 2^{57516112121100} is an apocalyptic number.

57516112121100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57516112121100 is an abundant number, since it is smaller than the sum of its proper divisors (108897172283484).

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

57516112121100 is a wasteful number, since it uses less digits than its factorization.

57516112121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191720373754 (or 191720373747 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 33.

Adding to 57516112121100 its reverse (112121161575), we get a palindrome (57628233282675).

The spelling of 57516112121100 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred twelve million, one hundred twenty-one thousand, one hundred".