108971155 has 16 divisors (see below), whose sum is σ = 134136000. Its totient is φ = 84958720.

The previous prime is 108971147. The next prime is 108971197. The reversal of 108971155 is 551179801.

It is not a de Polignac number, because 108971155 - 2³ = 108971147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29871 + ... + 33319.

It is an arithmetic number, because the mean of its divisors is an integer number (8383500).

Almost surely, 2^108971155 is an apocalyptic number.

108971155 is a deficient number, since it is larger than the sum of its proper divisors (25164845).

108971155 is an equidigital number, since it uses as much as digits as its factorization.

108971155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614.

The product of its (nonzero) digits is 12600, while the sum is 37.

The square root of 108971155 is about 10438.9249925459. The cubic root of 108971155 is about 477.6434772556.

The spelling of 108971155 in words is "one hundred eight million, nine hundred seventy-one thousand, one hundred fifty-five".