11879798919 has 8 divisors (see below), whose sum is σ = 15873944832. Its totient is φ = 7902759480.

The previous prime is 11879798893. The next prime is 11879798927. The reversal of 11879798919 is 91989797811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11879798919 - 2⁸ = 11879798663 is a prime.

It is a super-2 number, since 2×11879798919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11879790919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4274997 + ... + 4277774.

It is an arithmetic number, because the mean of its divisors is an integer number (1984243104).

Almost surely, 2^11879798919 is an apocalyptic number.

11879798919 is a deficient number, since it is larger than the sum of its proper divisors (3994145913).

11879798919 is an equidigital number, since it uses as much as digits as its factorization.

11879798919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553237.

The product of its digits is 20575296, while the sum is 69.

The spelling of 11879798919 in words is "eleven billion, eight hundred seventy-nine million, seven hundred ninety-eight thousand, nine hundred nineteen".