11700711517 has 16 divisors (see below), whose sum is σ = 13221250560. Its totient is φ = 10258660800.

The previous prime is 11700711511. The next prime is 11700711527. The reversal of 11700711517 is 71511700711.

It is a cyclic number.

It is not a de Polignac number, because 11700711517 - 2¹⁹ = 11700187229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11700711511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41359 + ... + 158467.

It is an arithmetic number, because the mean of its divisors is an integer number (826328160).

Almost surely, 2^11700711517 is an apocalyptic number.

It is an amenable number.

11700711517 is a deficient number, since it is larger than the sum of its proper divisors (1520539043).

11700711517 is a wasteful number, since it uses less digits than its factorization.

11700711517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117444.

The product of its (nonzero) digits is 1715, while the sum is 31.

The spelling of 11700711517 in words is "eleven billion, seven hundred million, seven hundred eleven thousand, five hundred seventeen".