11879470931 has 4 divisors (see below), whose sum is σ = 11905929000. Its totient is φ = 11853012864.

The previous prime is 11879470927. The next prime is 11879470937. The reversal of 11879470931 is 13907497811.

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 11879470931 - 2² = 11879470927 is a prime.

It is a super-2 number, since 2×11879470931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11879470931.

It is not an unprimeable number, because it can be changed into a prime (11879470937) 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, 13228361 + ... + 13229258.

It is an arithmetic number, because the mean of its divisors is an integer number (2976482250).

Almost surely, 2^11879470931 is an apocalyptic number.

11879470931 is a deficient number, since it is larger than the sum of its proper divisors (26458069).

11879470931 is an equidigital number, since it uses as much as digits as its factorization.

11879470931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26458068.

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 11879470931 in words is "eleven billion, eight hundred seventy-nine million, four hundred seventy thousand, nine hundred thirty-one".