3157251351564 has 12 divisors (see below), whose sum is σ = 7366919820344. Its totient is φ = 1052417117184.

The previous prime is 3157251351557. The next prime is 3157251351589. The reversal of 3157251351564 is 4651531527513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131552139637 + ... + 131552139660.

Almost surely, 2^{3157251351564} is an apocalyptic number.

It is an amenable number.

3157251351564 is an abundant number, since it is smaller than the sum of its proper divisors (4209668468780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3157251351564 is a wasteful number, since it uses less digits than its factorization.

3157251351564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263104279304 (or 263104279302 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 48.

The spelling of 3157251351564 in words is "three trillion, one hundred fifty-seven billion, two hundred fifty-one million, three hundred fifty-one thousand, five hundred sixty-four".