11715563117 has 8 divisors (see below), whose sum is σ = 12211787616. Its totient is φ = 11228790672.

The previous prime is 11715563099. The next prime is 11715563143. The reversal of 11715563117 is 71136551711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11715563117 - 2⁸ = 11715562861 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 (11715563177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360483 + ... + 2365440.

It is an arithmetic number, because the mean of its divisors is an integer number (1526473452).

Almost surely, 2^11715563117 is an apocalyptic number.

It is an amenable number.

11715563117 is a deficient number, since it is larger than the sum of its proper divisors (496224499).

11715563117 is an equidigital number, since it uses as much as digits as its factorization.

11715563117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726027.

The product of its digits is 22050, while the sum is 38.

The spelling of 11715563117 in words is "eleven billion, seven hundred fifteen million, five hundred sixty-three thousand, one hundred seventeen".