11717063717 has 2 divisors, whose sum is σ = 11717063718. Its totient is φ = 11717063716.

The previous prime is 11717063591. The next prime is 11717063737. The reversal of 11717063717 is 71736071711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8334594436 + 3382469281 = 91294^2 + 58159^2 .

It is a cyclic number.

It is not a de Polignac number, because 11717063717 - 2²⁰ = 11716015141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11717063737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5858531858 + 5858531859.

It is an arithmetic number, because the mean of its divisors is an integer number (5858531859).

Almost surely, 2^11717063717 is an apocalyptic number.

It is an amenable number.

11717063717 is a deficient number, since it is larger than the sum of its proper divisors (1).

11717063717 is an equidigital number, since it uses as much as digits as its factorization.

11717063717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43218, while the sum is 41.

The spelling of 11717063717 in words is "eleven billion, seven hundred seventeen million, sixty-three thousand, seven hundred seventeen".