117185113 has 2 divisors, whose sum is σ = 117185114. Its totient is φ = 117185112.

The previous prime is 117185051. The next prime is 117185171. The reversal of 117185113 is 311581711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114318864 + 2866249 = 10692^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 117185113 - 2¹³ = 117176921 is a prime.

It is not a weakly prime, because it can be changed into another prime (117185213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58592556 + 58592557.

It is an arithmetic number, because the mean of its divisors is an integer number (58592557).

Almost surely, 2^117185113 is an apocalyptic number.

It is an amenable number.

117185113 is a deficient number, since it is larger than the sum of its proper divisors (1).

117185113 is an equidigital number, since it uses as much as digits as its factorization.

117185113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 28.

The square root of 117185113 is about 10825.2072959366. The cubic root of 117185113 is about 489.3551325319.

The spelling of 117185113 in words is "one hundred seventeen million, one hundred eighty-five thousand, one hundred thirteen".