11926123479 has 8 divisors (see below), whose sum is σ = 17668331120. Its totient is φ = 7950748968.

The previous prime is 11926123477. The next prime is 11926123483. The reversal of 11926123479 is 97432162911.

11926123479 is a `hidden beast` number, since 11 + 92 + 61 + 23 + 479 = 666.

It is not a de Polignac number, because 11926123479 - 2¹ = 11926123477 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 (11926123477) 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, 220854112 + ... + 220854165.

It is an arithmetic number, because the mean of its divisors is an integer number (2208541390).

Almost surely, 2^11926123479 is an apocalyptic number.

11926123479 is a deficient number, since it is larger than the sum of its proper divisors (5742207641).

11926123479 is an equidigital number, since it uses as much as digits as its factorization.

11926123479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441708286 (or 441708280 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The spelling of 11926123479 in words is "eleven billion, nine hundred twenty-six million, one hundred twenty-three thousand, four hundred seventy-nine".