57105257865 has 16 divisors (see below), whose sum is σ = 92469238848. Its totient is φ = 30089195456.

The previous prime is 57105257861. The next prime is 57105257887. The reversal of 57105257865 is 56875250175.

It is a cyclic number.

It is not a de Polignac number, because 57105257865 - 2² = 57105257861 is a prime.

It is a super-2 number, since 2×57105257865² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57105257861) 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 15 ways as a sum of consecutive naturals, for example, 22932594 + ... + 22935083.

It is an arithmetic number, because the mean of its divisors is an integer number (5779327428).

Almost surely, 2^57105257865 is an apocalyptic number.

It is an amenable number.

57105257865 is a deficient number, since it is larger than the sum of its proper divisors (35363980983).

57105257865 is a wasteful number, since it uses less digits than its factorization.

57105257865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45867768.

The product of its (nonzero) digits is 2940000, while the sum is 51.

The spelling of 57105257865 in words is "fifty-seven billion, one hundred five million, two hundred fifty-seven thousand, eight hundred sixty-five".