12391617411 has 40 divisors (see below), whose sum is σ = 19018836144. Its totient is φ = 8035614720.

The previous prime is 12391617319. The next prime is 12391617499. The reversal of 12391617411 is 11471619321.

12391617411 is a `hidden beast` number, since 1 + 2 + 39 + 1 + 617 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 12391617411 - 2⁷ = 12391617283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12391617811) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1147011 + ... + 1157763.

Almost surely, 2^12391617411 is an apocalyptic number.

12391617411 is a deficient number, since it is larger than the sum of its proper divisors (6627218733).

12391617411 is a wasteful number, since it uses less digits than its factorization.

12391617411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11153 (or 11144 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The spelling of 12391617411 in words is "twelve billion, three hundred ninety-one million, six hundred seventeen thousand, four hundred eleven".