12506887563825 has 24 divisors (see below), whose sum is σ = 20678470305696. Its totient is φ = 6670205776000.

The previous prime is 12506887563823. The next prime is 12506887563827. The reversal of 12506887563825 is 52836578860521.

It is an interprime number because it is at equal distance from previous prime (12506887563823) and next prime (12506887563827).

It is not a de Polignac number, because 12506887563825 - 2¹ = 12506887563823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12506887563823) 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, 2130070 + ... + 5436080.

It is an arithmetic number, because the mean of its divisors is an integer number (861602929404).

Almost surely, 2^{12506887563825} is an apocalyptic number.

12506887563825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12506887563825 is a deficient number, since it is larger than the sum of its proper divisors (8171582741871).

12506887563825 is a wasteful number, since it uses less digits than its factorization.

12506887563825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356465 (or 3356460 counting only the distinct ones).

The product of its (nonzero) digits is 193536000, while the sum is 66.

The spelling of 12506887563825 in words is "twelve trillion, five hundred six billion, eight hundred eighty-seven million, five hundred sixty-three thousand, eight hundred twenty-five".