117791055 has 24 divisors (see below), whose sum is σ = 206472240. Its totient is φ = 62113920.

The previous prime is 117790993. The next prime is 117791083. The reversal of 117791055 is 550197711.

It is not a de Polignac number, because 117791055 - 2¹⁵ = 117758287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10701 + ... + 18710.

It is an arithmetic number, because the mean of its divisors is an integer number (8603010).

Almost surely, 2^117791055 is an apocalyptic number.

117791055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117791055 is a deficient number, since it is larger than the sum of its proper divisors (88681185).

117791055 is a wasteful number, since it uses less digits than its factorization.

117791055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29511 (or 29508 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 36.

The square root of 117791055 is about 10853.1587567860. The cubic root of 117791055 is about 490.1971371146.

The spelling of 117791055 in words is "one hundred seventeen million, seven hundred ninety-one thousand, fifty-five".