117505456655 has 4 divisors (see below), whose sum is σ = 141006547992. Its totient is φ = 94004365320.

The previous prime is 117505456639. The next prime is 117505456681. The reversal of 117505456655 is 556654505711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 117505456655 - 2⁴ = 117505456639 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, 11750545661 + ... + 11750545670.

It is an arithmetic number, because the mean of its divisors is an integer number (35251636998).

Almost surely, 2^117505456655 is an apocalyptic number.

117505456655 is a deficient number, since it is larger than the sum of its proper divisors (23501091337).

117505456655 is an equidigital number, since it uses as much as digits as its factorization.

117505456655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23501091336.

The product of its (nonzero) digits is 3150000, while the sum is 50.

The spelling of 117505456655 in words is "one hundred seventeen billion, five hundred five million, four hundred fifty-six thousand, six hundred fifty-five".