57111128530 has 32 divisors (see below), whose sum is σ = 108631704960. Its totient is φ = 21557882880.

The previous prime is 57111128447. The next prime is 57111128531. The reversal of 57111128530 is 3582111175.

It is not an unprimeable number, because it can be changed into a prime (57111128531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535966 + ... + 633625.

It is an arithmetic number, because the mean of its divisors is an integer number (3394740780).

Almost surely, 2^57111128530 is an apocalyptic number.

57111128530 is a deficient number, since it is larger than the sum of its proper divisors (51520576430).

57111128530 is a wasteful number, since it uses less digits than its factorization.

57111128530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169874.

The product of its (nonzero) digits is 8400, while the sum is 34.

The spelling of 57111128530 in words is "fifty-seven billion, one hundred eleven million, one hundred twenty-eight thousand, five hundred thirty".