11992374684 has 18 divisors (see below), whose sum is σ = 30314058320. Its totient is φ = 3997458216.

The previous prime is 11992374679. The next prime is 11992374739. The reversal of 11992374684 is 48647329911.

11992374684 is a `hidden beast` number, since 1 + 199 + 2 + 374 + 6 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×11992374684² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11992374684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166560724 + ... + 166560795.

Almost surely, 2^11992374684 is an apocalyptic number.

It is an amenable number.

11992374684 is an abundant number, since it is smaller than the sum of its proper divisors (18321683636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11992374684 is a wasteful number, since it uses less digits than its factorization.

11992374684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333121529 (or 333121524 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 11992374684 in words is "eleven billion, nine hundred ninety-two million, three hundred seventy-four thousand, six hundred eighty-four".