57317665515 has 96 divisors (see below), whose sum is σ = 105081150720. Its totient is φ = 26633629440.

The previous prime is 57317665507. The next prime is 57317665621. The reversal of 57317665515 is 51556671375.

It is not a de Polignac number, because 57317665515 - 2³ = 57317665507 is a prime.

It is an unprimeable number.

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, 4493016 + ... + 4505754.

It is an arithmetic number, because the mean of its divisors is an integer number (1094595320).

Almost surely, 2^57317665515 is an apocalyptic number.

57317665515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57317665515 is a deficient number, since it is larger than the sum of its proper divisors (47763485205).

57317665515 is a wasteful number, since it uses less digits than its factorization.

57317665515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12873 (or 12862 counting only the distinct ones).

The product of its digits is 3307500, while the sum is 51.

The spelling of 57317665515 in words is "fifty-seven billion, three hundred seventeen million, six hundred sixty-five thousand, five hundred fifteen".