12774056516 has 24 divisors (see below), whose sum is σ = 25341247680. Its totient is φ = 5585416992.

The previous prime is 12774056501. The next prime is 12774056609. The reversal of 12774056516 is 61565047721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6463616 + ... + 6465591.

It is an arithmetic number, because the mean of its divisors is an integer number (1055885320).

Almost surely, 2^12774056516 is an apocalyptic number.

It is an amenable number.

12774056516 is a deficient number, since it is larger than the sum of its proper divisors (12567191164).

12774056516 is a wasteful number, since it uses less digits than its factorization.

12774056516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12929243 (or 12929241 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 12774056516 in words is "twelve billion, seven hundred seventy-four million, fifty-six thousand, five hundred sixteen".