11664115799 has 4 divisors (see below), whose sum is σ = 13330418064. Its totient is φ = 9997813536.

The previous prime is 11664115759. The next prime is 11664115811. The reversal of 11664115799 is 99751146611.

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 11664115799 - 2²⁰ = 11663067223 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 (11664115709) 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, 833151122 + ... + 833151135.

It is an arithmetic number, because the mean of its divisors is an integer number (3332604516).

Almost surely, 2^11664115799 is an apocalyptic number.

11664115799 is a deficient number, since it is larger than the sum of its proper divisors (1666302265).

11664115799 is an equidigital number, since it uses as much as digits as its factorization.

11664115799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666302264.

The product of its digits is 408240, while the sum is 50.

The spelling of 11664115799 in words is "eleven billion, six hundred sixty-four million, one hundred fifteen thousand, seven hundred ninety-nine".