11517171310667 has 4 divisors (see below), whose sum is σ = 12564186884376. Its totient is φ = 10470155736960.

The previous prime is 11517171310637. The next prime is 11517171310703. The reversal of 11517171310667 is 76601317171511.

11517171310667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11517171310667 - 2²⁸ = 11516902875211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11517171310637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523507786838 + ... + 523507786859.

It is an arithmetic number, because the mean of its divisors is an integer number (3141046721094).

Almost surely, 2^{11517171310667} is an apocalyptic number.

11517171310667 is a deficient number, since it is larger than the sum of its proper divisors (1047015573709).

11517171310667 is a wasteful number, since it uses less digits than its factorization.

11517171310667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047015573708.

The product of its (nonzero) digits is 185220, while the sum is 47.

The spelling of 11517171310667 in words is "eleven trillion, five hundred seventeen billion, one hundred seventy-one million, three hundred ten thousand, six hundred sixty-seven".