11921083392 has 44 divisors (see below), whose sum is σ = 31774041656. Its totient is φ = 3973693440.

The previous prime is 11921083381. The next prime is 11921083397. The reversal of 11921083392 is 29338012911.

It is a super-2 number, since 2×11921083392² (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 11921083392.

It is not an unprimeable number, because it can be changed into a prime (11921083397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1937209 + ... + 1943352.

Almost surely, 2^11921083392 is an apocalyptic number.

11921083392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11921083392 is an abundant number, since it is smaller than the sum of its proper divisors (19852958264).

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

11921083392 is an equidigital number, since it uses as much as digits as its factorization.

11921083392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880584 (or 3880566 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 11921083392 in words is "eleven billion, nine hundred twenty-one million, eighty-three thousand, three hundred ninety-two".