12776415275 has 24 divisors (see below), whose sum is σ = 17069938704. Its totient is φ = 9430185600.

The previous prime is 12776415257. The next prime is 12776415307. The reversal of 12776415275 is 57251467721.

It is a de Polignac number, because none of the positive numbers 2^k-12776415275 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 728105 + ... + 745445.

It is an arithmetic number, because the mean of its divisors is an integer number (711247446).

Almost surely, 2^12776415275 is an apocalyptic number.

12776415275 is a deficient number, since it is larger than the sum of its proper divisors (4293523429).

12776415275 is a wasteful number, since it uses less digits than its factorization.

12776415275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19631 (or 19626 counting only the distinct ones).

The product of its digits is 823200, while the sum is 47.

The spelling of 12776415275 in words is "twelve billion, seven hundred seventy-six million, four hundred fifteen thousand, two hundred seventy-five".