12777416155 has 48 divisors (see below), whose sum is σ = 19124968320. Its totient is φ = 8141672448.

The previous prime is 12777416143. The next prime is 12777416161. The reversal of 12777416155 is 55161477721.

It is not a de Polignac number, because 12777416155 - 2¹³ = 12777407963 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309619 + ... + 348451.

It is an arithmetic number, because the mean of its divisors is an integer number (398436840).

Almost surely, 2^12777416155 is an apocalyptic number.

12777416155 is a deficient number, since it is larger than the sum of its proper divisors (6347552165).

12777416155 is a wasteful number, since it uses less digits than its factorization.

12777416155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38948 (or 38941 counting only the distinct ones).

The product of its digits is 411600, while the sum is 46.

The spelling of 12777416155 in words is "twelve billion, seven hundred seventy-seven million, four hundred sixteen thousand, one hundred fifty-five".