118505255 has 8 divisors (see below), whose sum is σ = 155134224. Its totient is φ = 86185600.

The previous prime is 118505239. The next prime is 118505263. The reversal of 118505255 is 552505811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118505255 - 2⁴ = 118505239 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 7 ways as a sum of consecutive naturals, for example, 1077266 + ... + 1077375.

It is an arithmetic number, because the mean of its divisors is an integer number (19391778).

Almost surely, 2^118505255 is an apocalyptic number.

118505255 is a deficient number, since it is larger than the sum of its proper divisors (36628969).

118505255 is a wasteful number, since it uses less digits than its factorization.

118505255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154657.

The product of its (nonzero) digits is 10000, while the sum is 32.

The square root of 118505255 is about 10886.0118960067. The cubic root of 118505255 is about 491.1858754276.

The spelling of 118505255 in words is "one hundred eighteen million, five hundred five thousand, two hundred fifty-five".