11380228732 has 12 divisors (see below), whose sum is σ = 20112583176. Its totient is φ = 5633776400.

The previous prime is 11380228709. The next prime is 11380228789. The reversal of 11380228732 is 23782208311.

It is a junction number, because it is equal to n+sod(n) for n = 11380228691 and 11380228700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14084038 + ... + 14084845.

It is an arithmetic number, because the mean of its divisors is an integer number (1676048598).

Almost surely, 2^11380228732 is an apocalyptic number.

It is an amenable number.

11380228732 is a deficient number, since it is larger than the sum of its proper divisors (8732354444).

11380228732 is a wasteful number, since it uses less digits than its factorization.

11380228732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28168988 (or 28168986 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 11380228732 in words is "eleven billion, three hundred eighty million, two hundred twenty-eight thousand, seven hundred thirty-two".