11979442692 has 72 divisors (see below), whose sum is σ = 34637156736. Its totient is φ = 3419743104.

The previous prime is 11979442691. The next prime is 11979442711. The reversal of 11979442692 is 29624497911.

11979442692 is a `hidden beast` number, since 1 + 197 + 9 + 442 + 6 + 9 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11979442691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280713 + ... + 320559.

Almost surely, 2^11979442692 is an apocalyptic number.

11979442692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11979442692 is an abundant number, since it is smaller than the sum of its proper divisors (22657714044).

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

11979442692 is a wasteful number, since it uses less digits than its factorization.

11979442692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41057 (or 41052 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 11979442692 in words is "eleven billion, nine hundred seventy-nine million, four hundred forty-two thousand, six hundred ninety-two".