12651376515265 has 32 divisors (see below), whose sum is σ = 16128734446080. Its totient is φ = 9493735680000.

The previous prime is 12651376515223. The next prime is 12651376515307. The reversal of 12651376515265 is 56251567315621.

It is an interprime number because it is at equal distance from previous prime (12651376515223) and next prime (12651376515307).

It is not a de Polignac number, because 12651376515265 - 2²⁹ = 12650839644353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84358216 + ... + 84508054.

It is an arithmetic number, because the mean of its divisors is an integer number (504022951440).

Almost surely, 2^{12651376515265} is an apocalyptic number.

It is an amenable number.

12651376515265 is a deficient number, since it is larger than the sum of its proper divisors (3477357930815).

12651376515265 is a wasteful number, since it uses less digits than its factorization.

12651376515265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153193.

The product of its digits is 11340000, while the sum is 55.

The spelling of 12651376515265 in words is "twelve trillion, six hundred fifty-one billion, three hundred seventy-six million, five hundred fifteen thousand, two hundred sixty-five".