11636584117 has 2 divisors, whose sum is σ = 11636584118. Its totient is φ = 11636584116.

The previous prime is 11636584087. The next prime is 11636584139. The reversal of 11636584117 is 71148563611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6764404516 + 4872179601 = 82246^2 + 69801^2 .

It is a cyclic number.

It is not a de Polignac number, because 11636584117 - 2¹⁹ = 11636059829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11636584417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5818292058 + 5818292059.

It is an arithmetic number, because the mean of its divisors is an integer number (5818292059).

Almost surely, 2^11636584117 is an apocalyptic number.

It is an amenable number.

11636584117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11636584117 is an equidigital number, since it uses as much as digits as its factorization.

11636584117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The spelling of 11636584117 in words is "eleven billion, six hundred thirty-six million, five hundred eighty-four thousand, one hundred seventeen".