12501539125 has 32 divisors (see below), whose sum is σ = 15713657856. Its totient is φ = 9929920000.

The previous prime is 12501539107. The next prime is 12501539147. The reversal of 12501539125 is 52193510521.

It is a happy number.

12501539125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12501539125 - 2⁵ = 12501539093 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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13722420 + ... + 13723330.

It is an arithmetic number, because the mean of its divisors is an integer number (491051808).

Almost surely, 2^12501539125 is an apocalyptic number.

It is an amenable number.

12501539125 is a deficient number, since it is larger than the sum of its proper divisors (3212118731).

12501539125 is an equidigital number, since it uses as much as digits as its factorization.

12501539125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 12501539125 in words is "twelve billion, five hundred one million, five hundred thirty-nine thousand, one hundred twenty-five".