11165644079 has 2 divisors, whose sum is σ = 11165644080. Its totient is φ = 11165644078.

The previous prime is 11165644073. The next prime is 11165644129. The reversal of 11165644079 is 97044656111.

It is a happy number.

11165644079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11165644079 - 2²⁰ = 11164595503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11165644073) 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 as a sum of consecutive naturals, namely, 5582822039 + 5582822040.

It is an arithmetic number, because the mean of its divisors is an integer number (5582822040).

Almost surely, 2^11165644079 is an apocalyptic number.

11165644079 is a deficient number, since it is larger than the sum of its proper divisors (1).

11165644079 is an equidigital number, since it uses as much as digits as its factorization.

11165644079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 11165644079 in words is "eleven billion, one hundred sixty-five million, six hundred forty-four thousand, seventy-nine".