117509575 has 6 divisors (see below), whose sum is σ = 145711904. Its totient is φ = 94007640.

The previous prime is 117509573. The next prime is 117509591. The reversal of 117509575 is 575905711.

It is not a de Polignac number, because 117509575 - 2¹ = 117509573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117509573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2350167 + ... + 2350216.

Almost surely, 2^117509575 is an apocalyptic number.

117509575 is a deficient number, since it is larger than the sum of its proper divisors (28202329).

117509575 is an equidigital number, since it uses as much as digits as its factorization.

117509575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700393 (or 4700388 counting only the distinct ones).

The product of its (nonzero) digits is 55125, while the sum is 40.

The square root of 117509575 is about 10840.1833471579. The cubic root of 117509575 is about 489.8063583042.

The spelling of 117509575 in words is "one hundred seventeen million, five hundred nine thousand, five hundred seventy-five".