12651376515264 has 84 divisors (see below), whose sum is σ = 38171459511640. Its totient is φ = 3995171527680.

The previous prime is 12651376515223. The next prime is 12651376515307. The reversal of 12651376515264 is 46251567315621.

12651376515264 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 1 + 376 + 5 + 1 + 5 + 264 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12651376515264.

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 11 ways as a sum of consecutive naturals, for example, 577994197 + ... + 578016084.

Almost surely, 2^{12651376515264} is an apocalyptic number.

It is an amenable number.

12651376515264 is an abundant number, since it is smaller than the sum of its proper divisors (25520082996376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12651376515264 is a wasteful number, since it uses less digits than its factorization.

12651376515264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156010318 (or 1156010305 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 12651376515264 in words is "twelve trillion, six hundred fifty-one billion, three hundred seventy-six million, five hundred fifteen thousand, two hundred sixty-four".