12515002775 has 36 divisors (see below), whose sum is σ = 17105634336. Its totient is φ = 9076214400.

The previous prime is 12515002741. The next prime is 12515002789. The reversal of 12515002775 is 57720051521.

It is not a de Polignac number, because 12515002775 - 2⁶ = 12515002711 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 35 ways as a sum of consecutive naturals, for example, 1104539 + ... + 1115811.

Almost surely, 2^12515002775 is an apocalyptic number.

12515002775 is a deficient number, since it is larger than the sum of its proper divisors (4590631561).

12515002775 is a wasteful number, since it uses less digits than its factorization.

12515002775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672 (or 11656 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 35.

The spelling of 12515002775 in words is "twelve billion, five hundred fifteen million, two thousand, seven hundred seventy-five".