117001655 has 4 divisors (see below), whose sum is σ = 140401992. Its totient is φ = 93601320.

The previous prime is 117001613. The next prime is 117001663. The reversal of 117001655 is 556100711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556100711 = 14387 ⋅38653.

It is a de Polignac number, because none of the positive numbers 2^k-117001655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11700161 + ... + 11700170.

It is an arithmetic number, because the mean of its divisors is an integer number (35100498).

Almost surely, 2^117001655 is an apocalyptic number.

117001655 is a deficient number, since it is larger than the sum of its proper divisors (23400337).

117001655 is an equidigital number, since it uses as much as digits as its factorization.

117001655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23400336.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 117001655 is about 10816.7303285235. The cubic root of 117001655 is about 489.0996307827.

The spelling of 117001655 in words is "one hundred seventeen million, one thousand, six hundred fifty-five".