11679299856 has 120 divisors (see below), whose sum is σ = 37445728320. Its totient is φ = 3328858368.

The previous prime is 11679299843. The next prime is 11679299873. The reversal of 11679299856 is 65899297611.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 11679299793 and 11679299802.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408526 + ... + 436178.

It is an arithmetic number, because the mean of its divisors is an integer number (312047736).

Almost surely, 2^11679299856 is an apocalyptic number.

11679299856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11679299856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18722864160).

11679299856 is an abundant number, since it is smaller than the sum of its proper divisors (25766428464).

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

11679299856 is a wasteful number, since it uses less digits than its factorization.

11679299856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28093 (or 28084 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 63.

The spelling of 11679299856 in words is "eleven billion, six hundred seventy-nine million, two hundred ninety-nine thousand, eight hundred fifty-six".