11999986596 has 48 divisors (see below), whose sum is σ = 33504240000. Its totient is φ = 3692303136.

The previous prime is 11999986567. The next prime is 11999986613. The reversal of 11999986596 is 69568999911.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4272096 + ... + 4274903.

It is an arithmetic number, because the mean of its divisors is an integer number (698005000).

Almost surely, 2^11999986596 is an apocalyptic number.

It is an amenable number.

11999986596 is an abundant number, since it is smaller than the sum of its proper divisors (21504253404).

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

11999986596 is a wasteful number, since it uses less digits than its factorization.

11999986596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547025 (or 8547017 counting only the distinct ones).

The product of its digits is 85030560, while the sum is 72.

The spelling of 11999986596 in words is "eleven billion, nine hundred ninety-nine million, nine hundred eighty-six thousand, five hundred ninety-six".