11883781992 has 32 divisors (see below), whose sum is σ = 29778094080. Its totient is φ = 3952108800.

The previous prime is 11883781969. The next prime is 11883781997. The reversal of 11883781992 is 29918738811.

It is not an unprimeable number, because it can be changed into a prime (11883781997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561384 + ... + 582167.

It is an arithmetic number, because the mean of its divisors is an integer number (930565440).

Almost surely, 2^11883781992 is an apocalyptic number.

11883781992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11883781992 is an abundant number, since it is smaller than the sum of its proper divisors (17894312088).

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

11883781992 is a wasteful number, since it uses less digits than its factorization.

11883781992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143993 (or 1143989 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 57.

The spelling of 11883781992 in words is "eleven billion, eight hundred eighty-three million, seven hundred eighty-one thousand, nine hundred ninety-two".