11380686972 has 48 divisors (see below), whose sum is σ = 27360087552. Its totient is φ = 3679970560.

The previous prime is 11380686959. The next prime is 11380686997. The reversal of 11380686972 is 27968608311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25554 + ... + 153017.

It is an arithmetic number, because the mean of its divisors is an integer number (570001824).

Almost surely, 2^11380686972 is an apocalyptic number.

11380686972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11380686972 is an abundant number, since it is smaller than the sum of its proper divisors (15979400580).

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

11380686972 is a wasteful number, since it uses less digits than its factorization.

11380686972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178738 (or 178736 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 11380686972 in words is "eleven billion, three hundred eighty million, six hundred eighty-six thousand, nine hundred seventy-two".