11317217186457 has 160 divisors (see below), whose sum is σ = 21385506143232. Its totient is φ = 5805268724736.

The previous prime is 11317217186419. The next prime is 11317217186567. The reversal of 11317217186457 is 75468171271311.

11317217186457 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 7 + 2 + 1 + 7 + 186 + 457 = 666.

It is not a de Polignac number, because 11317217186457 - 2⁸ = 11317217186201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11317217184457) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 54286573 + ... + 54494645.

Almost surely, 2^{11317217186457} is an apocalyptic number.

It is an amenable number.

11317217186457 is a deficient number, since it is larger than the sum of its proper divisors (10068288956775).

11317217186457 is a wasteful number, since it uses less digits than its factorization.

11317217186457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208309 (or 208300 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 54.

The spelling of 11317217186457 in words is "eleven trillion, three hundred seventeen billion, two hundred seventeen million, one hundred eighty-six thousand, four hundred fifty-seven".