11789581872 has 40 divisors (see below), whose sum is σ = 32247976176. Its totient is φ = 3698692096.

The previous prime is 11789581841. The next prime is 11789581877. The reversal of 11789581872 is 27818598711.

It is not an unprimeable number, because it can be changed into a prime (11789581877) 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, 7223193 + ... + 7224824.

Almost surely, 2^11789581872 is an apocalyptic number.

11789581872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11789581872 is an abundant number, since it is smaller than the sum of its proper divisors (20458394304).

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

11789581872 is a wasteful number, since it uses less digits than its factorization.

11789581872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448045 (or 14448039 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 57.

The spelling of 11789581872 in words is "eleven billion, seven hundred eighty-nine million, five hundred eighty-one thousand, eight hundred seventy-two".