57997566711 has 96 divisors (see below), whose sum is σ = 99666373248. Its totient is φ = 31810682880.

The previous prime is 57997566689. The next prime is 57997566713. The reversal of 57997566711 is 11766579975.

57997566711 is a `hidden beast` number, since 57 + 9 + 9 + 7 + 566 + 7 + 11 = 666.

It is not a de Polignac number, because 57997566711 - 2³⁰ = 56923824887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57997566713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61633501 + ... + 61634441.

It is an arithmetic number, because the mean of its divisors is an integer number (1038191388).

Almost surely, 2^57997566711 is an apocalyptic number.

57997566711 is a deficient number, since it is larger than the sum of its proper divisors (41668806537).

57997566711 is a wasteful number, since it uses less digits than its factorization.

57997566711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321 (or 1318 counting only the distinct ones).

The product of its digits is 25004700, while the sum is 63.

The spelling of 57997566711 in words is "fifty-seven billion, nine hundred ninety-seven million, five hundred sixty-six thousand, seven hundred eleven".