11956596892 has 24 divisors (see below), whose sum is σ = 21146645520. Its totient is φ = 5914970880.

The previous prime is 11956596881. The next prime is 11956596907. The reversal of 11956596892 is 29869565911.

It is a self number, because there is not a number n which added to its sum of digits gives 11956596892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142734 + ... + 210442.

It is an arithmetic number, because the mean of its divisors is an integer number (881110230).

Almost surely, 2^11956596892 is an apocalyptic number.

It is an amenable number.

11956596892 is a deficient number, since it is larger than the sum of its proper divisors (9190048628).

11956596892 is a wasteful number, since it uses less digits than its factorization.

11956596892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68181 (or 68179 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 61.

The spelling of 11956596892 in words is "eleven billion, nine hundred fifty-six million, five hundred ninety-six thousand, eight hundred ninety-two".