12776513776375 has 16 divisors (see below), whose sum is σ = 15945188961312. Its totient is φ = 10221147067200.

The previous prime is 12776513776357. The next prime is 12776513776441. The reversal of 12776513776375 is 57367731567721.

It is a happy number.

It is not a de Polignac number, because 12776513776375 - 2³⁵ = 12742154038007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12776513776375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39010299 + ... + 39336451.

It is an arithmetic number, because the mean of its divisors is an integer number (996574310082).

Almost surely, 2^{12776513776375} is an apocalyptic number.

12776513776375 is a deficient number, since it is larger than the sum of its proper divisors (3168675184937).

12776513776375 is an equidigital number, since it uses as much as digits as its factorization.

12776513776375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639555 (or 639545 counting only the distinct ones).

The product of its digits is 272273400, while the sum is 67.

The spelling of 12776513776375 in words is "twelve trillion, seven hundred seventy-six billion, five hundred thirteen million, seven hundred seventy-six thousand, three hundred seventy-five".