11388396159 has 48 divisors (see below), whose sum is σ = 19294273024. Its totient is φ = 6338606400.

The previous prime is 11388396133. The next prime is 11388396209. The reversal of 11388396159 is 95169388311.

11388396159 is a `hidden beast` number, since 1 + 13 + 8 + 8 + 3 + 9 + 615 + 9 = 666.

It is not a de Polignac number, because 11388396159 - 2²⁴ = 11371618943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11388395159) by changing a digit.

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, 381444 + ... + 410214.

Almost surely, 2^11388396159 is an apocalyptic number.

11388396159 is a deficient number, since it is larger than the sum of its proper divisors (7905876865).

11388396159 is a wasteful number, since it uses less digits than its factorization.

11388396159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28948 (or 28945 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The spelling of 11388396159 in words is "eleven billion, three hundred eighty-eight million, three hundred ninety-six thousand, one hundred fifty-nine".