12513255636524 has 24 divisors (see below), whose sum is σ = 23186738287440. Its totient is φ = 5888486337536.

The previous prime is 12513255636521. The next prime is 12513255636527. The reversal of 12513255636524 is 42563655231521.

It is an interprime number because it is at equal distance from previous prime (12513255636521) and next prime (12513255636527).

It is not an unprimeable number, because it can be changed into a prime (12513255636521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293439 + ... + 5503305.

It is an arithmetic number, because the mean of its divisors is an integer number (966114095310).

Almost surely, 2^{12513255636524} is an apocalyptic number.

It is an amenable number.

12513255636524 is a deficient number, since it is larger than the sum of its proper divisors (10673482650916).

12513255636524 is a wasteful number, since it uses less digits than its factorization.

12513255636524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267217 (or 3267215 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 50.

The spelling of 12513255636524 in words is "twelve trillion, five hundred thirteen billion, two hundred fifty-five million, six hundred thirty-six thousand, five hundred twenty-four".