117391113 has 36 divisors (see below), whose sum is σ = 204575280. Its totient is φ = 67073832.

The previous prime is 117391111. The next prime is 117391117. The reversal of 117391113 is 311193711.

It is not a de Polignac number, because 117391113 - 2¹ = 117391111 is a prime.

It is a super-2 number, since 2×117391113² = 27561346822757538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (117391111) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6978 + ... + 16836.

Almost surely, 2^117391113 is an apocalyptic number.

It is an amenable number.

117391113 is a deficient number, since it is larger than the sum of its proper divisors (87184167).

117391113 is an frugal number, since it uses more digits than its factorization.

117391113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9888 (or 9869 counting only the distinct ones).

The product of its digits is 567, while the sum is 27.

The square root of 117391113 is about 10834.7179474133. The cubic root of 117391113 is about 489.6417108711.

The spelling of 117391113 in words is "one hundred seventeen million, three hundred ninety-one thousand, one hundred thirteen".