11317342172 has 96 divisors (see below), whose sum is σ = 21794572800. Its totient is φ = 5124252672.

The previous prime is 11317342163. The next prime is 11317342177. The reversal of 11317342172 is 27124371311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11317342177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48572168 + ... + 48572400.

It is an arithmetic number, because the mean of its divisors is an integer number (227026800).

Almost surely, 2^11317342172 is an apocalyptic number.

It is an amenable number.

11317342172 is a deficient number, since it is larger than the sum of its proper divisors (10477230628).

11317342172 is a wasteful number, since it uses less digits than its factorization.

11317342172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 553 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The spelling of 11317342172 in words is "eleven billion, three hundred seventeen million, three hundred forty-two thousand, one hundred seventy-two".