11380556790 has 24 divisors (see below), whose sum is σ = 29589447888. Its totient is φ = 3034815120.

The previous prime is 11380556783. The next prime is 11380556809. The reversal of 11380556790 is 9765508311.

It is a happy number.

11380556790 is a `hidden beast` number, since 1 + 1 + 3 + 8 + 0 + 556 + 7 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63225226 + ... + 63225405.

It is an arithmetic number, because the mean of its divisors is an integer number (1232893662).

Almost surely, 2^11380556790 is an apocalyptic number.

11380556790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11380556790 is an abundant number, since it is smaller than the sum of its proper divisors (18208891098).

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

11380556790 is a wasteful number, since it uses less digits than its factorization.

11380556790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126450644 (or 126450641 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 11380556790 in words is "eleven billion, three hundred eighty million, five hundred fifty-six thousand, seven hundred ninety".