37125961857 has 12 divisors (see below), whose sum is σ = 53767888720. Its totient is φ = 24685333848.

The previous prime is 37125961843. The next prime is 37125961861. The reversal of 37125961857 is 75816952173.

37125961857 is a `hidden beast` number, since 3 + 7 + 12 + 5 + 9 + 618 + 5 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-37125961857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37125961657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5438683 + ... + 5445504.

Almost surely, 2^37125961857 is an apocalyptic number.

It is an amenable number.

37125961857 is a deficient number, since it is larger than the sum of its proper divisors (16641926863).

37125961857 is a wasteful number, since it uses less digits than its factorization.

37125961857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10884572 (or 10884569 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The spelling of 37125961857 in words is "thirty-seven billion, one hundred twenty-five million, nine hundred sixty-one thousand, eight hundred fifty-seven".