11380388715 has 48 divisors (see below), whose sum is σ = 20210613696. Its totient is φ = 5922201600.

The previous prime is 11380388699. The next prime is 11380388759. The reversal of 11380388715 is 51788308311.

It is not a de Polignac number, because 11380388715 - 2⁴ = 11380388699 is a prime.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291555 + ... + 328275.

It is an arithmetic number, because the mean of its divisors is an integer number (421054452).

Almost surely, 2^11380388715 is an apocalyptic number.

11380388715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11380388715 is a deficient number, since it is larger than the sum of its proper divisors (8830224981).

11380388715 is a wasteful number, since it uses less digits than its factorization.

11380388715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36900 (or 36897 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 11380388715 in words is "eleven billion, three hundred eighty million, three hundred eighty-eight thousand, seven hundred fifteen".