11158964279 has 4 divisors (see below), whose sum is σ = 11159189184. Its totient is φ = 11158739376.

The previous prime is 11158964263. The next prime is 11158964329. The reversal of 11158964279 is 97246985111.

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 11158964279 - 2⁴ = 11158964263 is a prime.

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 11158964279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11158964209) 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 3 ways as a sum of consecutive naturals, for example, 1607 + ... + 149400.

It is an arithmetic number, because the mean of its divisors is an integer number (2789797296).

Almost surely, 2^11158964279 is an apocalyptic number.

11158964279 is a deficient number, since it is larger than the sum of its proper divisors (224905).

11158964279 is an equidigital number, since it uses as much as digits as its factorization.

11158964279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224904.

The product of its digits is 1088640, while the sum is 53.

The spelling of 11158964279 in words is "eleven billion, one hundred fifty-eight million, nine hundred sixty-four thousand, two hundred seventy-nine".