12502637525 has 24 divisors (see below), whose sum is σ = 17731763904. Its totient is φ = 8566588800.

The previous prime is 12502637503. The next prime is 12502637527. The reversal of 12502637525 is 52573620521.

It is not a de Polignac number, because 12502637525 - 2¹⁰ = 12502636501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12502637527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204134 + ... + 258216.

It is an arithmetic number, because the mean of its divisors is an integer number (738823496).

Almost surely, 2^12502637525 is an apocalyptic number.

It is an amenable number.

12502637525 is a deficient number, since it is larger than the sum of its proper divisors (5229126379).

12502637525 is a wasteful number, since it uses less digits than its factorization.

12502637525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55421 (or 55416 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 12502637525 in words is "twelve billion, five hundred two million, six hundred thirty-seven thousand, five hundred twenty-five".