11879592221 has 8 divisors (see below), whose sum is σ = 13577403840. Its totient is φ = 10181962368.

The previous prime is 11879592217. The next prime is 11879592247. The reversal of 11879592221 is 12229597811.

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

It is a cyclic number.

It is not a de Polignac number, because 11879592221 - 2² = 11879592217 is a prime.

It is a super-2 number, since 2×11879592221² (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 (11879592251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151565 + ... + 216173.

It is an arithmetic number, because the mean of its divisors is an integer number (1697175480).

Almost surely, 2^11879592221 is an apocalyptic number.

It is an amenable number.

11879592221 is a deficient number, since it is larger than the sum of its proper divisors (1697811619).

11879592221 is an equidigital number, since it uses as much as digits as its factorization.

11879592221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90883.

The product of its digits is 181440, while the sum is 47.

The spelling of 11879592221 in words is "eleven billion, eight hundred seventy-nine million, five hundred ninety-two thousand, two hundred twenty-one".