11658079399 has 4 divisors (see below), whose sum is σ = 11973162664. Its totient is φ = 11342996136.

The previous prime is 11658079379. The next prime is 11658079457. The reversal of 11658079399 is 99397085611.

11658079399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99397085611 = 2903 ⋅34239437.

It is a cyclic number.

It is not a de Polignac number, because 11658079399 - 2⁷ = 11658079271 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 (11658079309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157541577 + ... + 157541650.

It is an arithmetic number, because the mean of its divisors is an integer number (2993290666).

Almost surely, 2^11658079399 is an apocalyptic number.

11658079399 is a deficient number, since it is larger than the sum of its proper divisors (315083265).

11658079399 is an equidigital number, since it uses as much as digits as its factorization.

11658079399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315083264.

The product of its (nonzero) digits is 3674160, while the sum is 58.

The spelling of 11658079399 in words is "eleven billion, six hundred fifty-eight million, seventy-nine thousand, three hundred ninety-nine".