3157528257513 has 32 divisors (see below), whose sum is σ = 5346164459520. Its totient is φ = 1804273218000.

The previous prime is 3157528257511. The next prime is 3157528257551.

3157528257513 is a `hidden beast` number, since 3 + 1 + 5 + 7 + 52 + 8 + 2 + 575 + 13 = 666.

3157528257513 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3157528257513 - 2¹ = 3157528257511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3157528257513.

It is not an unprimeable number, because it can be changed into a prime (3157528257511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19379638 + ... + 19541888.

It is an arithmetic number, because the mean of its divisors is an integer number (167067639360).

Almost surely, 2^{3157528257513} is an apocalyptic number.

It is an amenable number.

3157528257513 is a deficient number, since it is larger than the sum of its proper divisors (2188636202007).

3157528257513 is a wasteful number, since it uses less digits than its factorization.

3157528257513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265234 (or 265228 counting only the distinct ones).

The product of its digits is 8820000, while the sum is 54.

The spelling of 3157528257513 in words is "three trillion, one hundred fifty-seven billion, five hundred twenty-eight million, two hundred fifty-seven thousand, five hundred thirteen".