11388979596 has 24 divisors (see below), whose sum is σ = 26727899184. Its totient is φ = 3774381760.

The previous prime is 11388979579. The next prime is 11388979597. The reversal of 11388979596 is 69597988311.

It is not an unprimeable number, because it can be changed into a prime (11388979597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740935 + ... + 2745086.

It is an arithmetic number, because the mean of its divisors is an integer number (1113662466).

Almost surely, 2^11388979596 is an apocalyptic number.

It is an amenable number.

11388979596 is an abundant number, since it is smaller than the sum of its proper divisors (15338919588).

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

11388979596 is a wasteful number, since it uses less digits than its factorization.

11388979596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486201 (or 5486199 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 66.

The spelling of 11388979596 in words is "eleven billion, three hundred eighty-eight million, nine hundred seventy-nine thousand, five hundred ninety-six".