11402031872 has 108 divisors (see below), whose sum is σ = 28882566216. Its totient is φ = 4442296320.

The previous prime is 11402031871. The next prime is 11402031913. The reversal of 11402031872 is 27813020411.

It is not an unprimeable number, because it can be changed into a prime (11402031871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96668 + ... + 179300.

Almost surely, 2^11402031872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11402031872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14441283108).

11402031872 is an abundant number, since it is smaller than the sum of its proper divisors (17480534344).

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

11402031872 is an equidigital number, since it uses as much as digits as its factorization.

11402031872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82674 (or 82653 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 11402031872 in words is "eleven billion, four hundred two million, thirty-one thousand, eight hundred seventy-two".