117517365 has 64 divisors (see below), whose sum is σ = 245291520. Its totient is φ = 52254720.

The previous prime is 117517363. The next prime is 117517391. The reversal of 117517365 is 563715711.

It is not a de Polignac number, because 117517365 - 2¹ = 117517363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117517363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33285 + ... + 36645.

It is an arithmetic number, because the mean of its divisors is an integer number (3832680).

Almost surely, 2^117517365 is an apocalyptic number.

117517365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117517365 is an abundant number, since it is smaller than the sum of its proper divisors (127774155).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117517365 is a wasteful number, since it uses less digits than its factorization.

117517365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419 (or 3413 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 117517365 is about 10840.5426524690. The cubic root of 117517365 is about 489.8171815562.

The spelling of 117517365 in words is "one hundred seventeen million, five hundred seventeen thousand, three hundred sixty-five".