12625022515 has 24 divisors (see below), whose sum is σ = 17525770848. Its totient is φ = 8552691840.

The previous prime is 12625022471. The next prime is 12625022581. The reversal of 12625022515 is 51522052621.

It is a happy number.

It is not a de Polignac number, because 12625022515 - 2⁷ = 12625022387 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 23 ways as a sum of consecutive naturals, for example, 214935 + ... + 267295.

It is an arithmetic number, because the mean of its divisors is an integer number (730240452).

Almost surely, 2^12625022515 is an apocalyptic number.

12625022515 is a deficient number, since it is larger than the sum of its proper divisors (4900748333).

12625022515 is an frugal number, since it uses more digits than its factorization.

12625022515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52539 (or 52456 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 12625022515 in words is "twelve billion, six hundred twenty-five million, twenty-two thousand, five hundred fifteen".