11881239832 has 32 divisors (see below), whose sum is σ = 27774328320. Its totient is φ = 4629054240.

The previous prime is 11881239781. The next prime is 11881239863. The reversal of 11881239832 is 23893218811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9643248 + ... + 9644479.

It is an arithmetic number, because the mean of its divisors is an integer number (867947760).

Almost surely, 2^11881239832 is an apocalyptic number.

It is an amenable number.

11881239832 is an abundant number, since it is smaller than the sum of its proper divisors (15893088488).

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

11881239832 is a wasteful number, since it uses less digits than its factorization.

11881239832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19287751 (or 19287747 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The spelling of 11881239832 in words is "eleven billion, eight hundred eighty-one million, two hundred thirty-nine thousand, eight hundred thirty-two".