117015655 has 4 divisors (see below), whose sum is σ = 140418792. Its totient is φ = 93612520.

The previous prime is 117015649. The next prime is 117015713. The reversal of 117015655 is 556510711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556510711 = 907 ⋅613573.

It is not a de Polignac number, because 117015655 - 2⁷ = 117015527 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, 11701561 + ... + 11701570.

It is an arithmetic number, because the mean of its divisors is an integer number (35104698).

Almost surely, 2^117015655 is an apocalyptic number.

117015655 is a deficient number, since it is larger than the sum of its proper divisors (23403137).

117015655 is an equidigital number, since it uses as much as digits as its factorization.

117015655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23403136.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 117015655 is about 10817.3774548178. The cubic root of 117015655 is about 489.1191379761.

The spelling of 117015655 in words is "one hundred seventeen million, fifteen thousand, six hundred fifty-five".