12515276525 has 12 divisors (see below), whose sum is σ = 15530857152. Its totient is φ = 10004534640.

The previous prime is 12515276479. The next prime is 12515276539. The reversal of 12515276525 is 52567251521.

It is not a de Polignac number, because 12515276525 - 2¹⁸ = 12515014381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158837 + ... + 224186.

It is an arithmetic number, because the mean of its divisors is an integer number (1294238096).

Almost surely, 2^12515276525 is an apocalyptic number.

It is an amenable number.

12515276525 is a deficient number, since it is larger than the sum of its proper divisors (3015580627).

12515276525 is a wasteful number, since it uses less digits than its factorization.

12515276525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384340 (or 384335 counting only the distinct ones).

The product of its digits is 210000, while the sum is 41.

The spelling of 12515276525 in words is "twelve billion, five hundred fifteen million, two hundred seventy-six thousand, five hundred twenty-five".