117165513 has 24 divisors (see below), whose sum is σ = 168511072. Its totient is φ = 72382464.

The previous prime is 117165509. The next prime is 117165527. The reversal of 117165513 is 315561711.

It is not a de Polignac number, because 117165513 - 2² = 117165509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117164513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57081 + ... + 59097.

Almost surely, 2^117165513 is an apocalyptic number.

It is an amenable number.

117165513 is a deficient number, since it is larger than the sum of its proper divisors (51345559).

117165513 is a wasteful number, since it uses less digits than its factorization.

117165513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121 (or 2104 counting only the distinct ones).

The product of its digits is 3150, while the sum is 30.

The square root of 117165513 is about 10824.3019636372. The cubic root of 117165513 is about 489.3278483626.

The spelling of 117165513 in words is "one hundred seventeen million, one hundred sixty-five thousand, five hundred thirteen".