108915255 has 12 divisors (see below), whose sum is σ = 188786520. Its totient is φ = 58088112.

The previous prime is 108915251. The next prime is 108915283. The reversal of 108915255 is 552519801.

It is a happy number.

It is not a de Polignac number, because 108915255 - 2² = 108915251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108915251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1210125 + ... + 1210214.

It is an arithmetic number, because the mean of its divisors is an integer number (15732210).

Almost surely, 2^108915255 is an apocalyptic number.

108915255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108915255 is a deficient number, since it is larger than the sum of its proper divisors (79871265).

108915255 is a wasteful number, since it uses less digits than its factorization.

108915255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420350 (or 2420347 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The square root of 108915255 is about 10436.2471703194. The cubic root of 108915255 is about 477.5617894693.

The spelling of 108915255 in words is "one hundred eight million, nine hundred fifteen thousand, two hundred fifty-five".