117915005 has 16 divisors (see below), whose sum is σ = 154318080. Its totient is φ = 85969728.

The previous prime is 117914999. The next prime is 117915011. The reversal of 117915005 is 500519711.

It is an interprime number because it is at equal distance from previous prime (117914999) and next prime (117915011).

It is not a de Polignac number, because 117915005 - 2⁴ = 117914989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6347 + ... + 16616.

It is an arithmetic number, because the mean of its divisors is an integer number (9644880).

Almost surely, 2^117915005 is an apocalyptic number.

It is an amenable number.

117915005 is a deficient number, since it is larger than the sum of its proper divisors (36403075).

117915005 is a wasteful number, since it uses less digits than its factorization.

117915005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23060.

The product of its (nonzero) digits is 1575, while the sum is 29.

The square root of 117915005 is about 10858.8675744757. The cubic root of 117915005 is about 490.3690195361.

The spelling of 117915005 in words is "one hundred seventeen million, nine hundred fifteen thousand, five".