11796979968 has 90 divisors (see below), whose sum is σ = 35176521534. Its totient is φ = 3932319744.

The previous prime is 11796979951. The next prime is 11796979969. The reversal of 11796979968 is 86997969711.

It can be written as a sum of positive squares in only one way, i.e., 11601874944 + 195105024 = 107712^2 + 13968^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 11796979896 and 11796979905.

It is not an unprimeable number, because it can be changed into a prime (11796979969) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 263721 + ... + 305192.

Almost surely, 2^11796979968 is an apocalyptic number.

11796979968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11796979968 is an abundant number, since it is smaller than the sum of its proper divisors (23379541566).

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

11796979968 is an frugal number, since it uses more digits than its factorization.

11796979968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568941 (or 568918 counting only the distinct ones).

The product of its digits is 92588832, while the sum is 72.

The spelling of 11796979968 in words is "eleven billion, seven hundred ninety-six million, nine hundred seventy-nine thousand, nine hundred sixty-eight".