11979179968 has 42 divisors (see below), whose sum is σ = 27172323608. Its totient is φ = 5132941440.

The previous prime is 11979179957. The next prime is 11979180001. The reversal of 11979179968 is 86997197911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2314023 + ... + 2319193.

Almost surely, 2^11979179968 is an apocalyptic number.

It is an amenable number.

11979179968 is an abundant number, since it is smaller than the sum of its proper divisors (15193143640).

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

11979179968 is an frugal number, since it uses more digits than its factorization.

11979179968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361 (or 5180 counting only the distinct ones).

The product of its digits is 15431472, while the sum is 67.

The spelling of 11979179968 in words is "eleven billion, nine hundred seventy-nine million, one hundred seventy-nine thousand, nine hundred sixty-eight".