7656413131525 has 12 divisors (see below), whose sum is σ = 9493995823552. Its totient is φ = 6125102414640.

The previous prime is 7656413131453. The next prime is 7656413131531. The reversal of 7656413131525 is 5251313146567.

It is a de Polignac number, because none of the positive numbers 2^k-7656413131525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6180772 + ... + 7315378.

Almost surely, 2^{7656413131525} is an apocalyptic number.

It is an amenable number.

7656413131525 is a deficient number, since it is larger than the sum of its proper divisors (1837582692027).

7656413131525 is a wasteful number, since it uses less digits than its factorization.

7656413131525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404540 (or 1404535 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 49.

The spelling of 7656413131525 in words is "seven trillion, six hundred fifty-six billion, four hundred thirteen million, one hundred thirty-one thousand, five hundred twenty-five".