11380013888 has 28 divisors (see below), whose sum is σ = 23360915940. Its totient is φ = 5493798912.

The previous prime is 11380013867. The next prime is 11380013923. The reversal of 11380013888 is 88831008311.

It can be written as a sum of positive squares in 2 ways, for example, as 6079009024 + 5301004864 = 77968^2 + 72808^2 .

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, 3063881 + ... + 3067592.

Almost surely, 2^11380013888 is an apocalyptic number.

It is an amenable number.

11380013888 is an abundant number, since it is smaller than the sum of its proper divisors (11980902052).

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

11380013888 is an equidigital number, since it uses as much as digits as its factorization.

11380013888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131514 (or 6131504 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 41.

The spelling of 11380013888 in words is "eleven billion, three hundred eighty million, thirteen thousand, eight hundred eighty-eight".