11715623279 has 8 divisors (see below), whose sum is σ = 12035512608. Its totient is φ = 11395905120.

The previous prime is 11715623273. The next prime is 11715623303. The reversal of 11715623279 is 97232651711.

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 11715623279 - 2⁴ = 11715623263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11715623273) 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, 102614 + ... + 184284.

It is an arithmetic number, because the mean of its divisors is an integer number (1504439076).

Almost surely, 2^11715623279 is an apocalyptic number.

11715623279 is a deficient number, since it is larger than the sum of its proper divisors (319889329).

11715623279 is an equidigital number, since it uses as much as digits as its factorization.

11715623279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85585.

The product of its digits is 158760, while the sum is 44.

The spelling of 11715623279 in words is "eleven billion, seven hundred fifteen million, six hundred twenty-three thousand, two hundred seventy-nine".