11379219979 has 4 divisors (see below), whose sum is σ = 11380799584. Its totient is φ = 11377640376.

The previous prime is 11379219967. The next prime is 11379220001. The reversal of 11379219979 is 97991297311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11379219979 - 2⁷ = 11379219851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11379219949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778947 + ... + 793420.

It is an arithmetic number, because the mean of its divisors is an integer number (2845199896).

Almost surely, 2^11379219979 is an apocalyptic number.

11379219979 is a deficient number, since it is larger than the sum of its proper divisors (1579605).

11379219979 is an equidigital number, since it uses as much as digits as its factorization.

11379219979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579604.

The product of its digits is 1928934, while the sum is 58.

The spelling of 11379219979 in words is "eleven billion, three hundred seventy-nine million, two hundred nineteen thousand, nine hundred seventy-nine".