11356636679 has 4 divisors (see below), whose sum is σ = 11357849280. Its totient is φ = 11355424080.

The previous prime is 11356636663. The next prime is 11356636693. The reversal of 11356636679 is 97663665311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97663665311 = 151483 ⋅644717.

It is a cyclic number.

It is not a de Polignac number, because 11356636679 - 2⁴ = 11356636663 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 11356636679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11356636609) 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, 592142 + ... + 611019.

It is an arithmetic number, because the mean of its divisors is an integer number (2839462320).

Almost surely, 2^11356636679 is an apocalyptic number.

11356636679 is a deficient number, since it is larger than the sum of its proper divisors (1212601).

11356636679 is an equidigital number, since it uses as much as digits as its factorization.

11356636679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212600.

The product of its digits is 3674160, while the sum is 53.

The spelling of 11356636679 in words is "eleven billion, three hundred fifty-six million, six hundred thirty-six thousand, six hundred seventy-nine".