171108399055 has 8 divisors (see below), whose sum is σ = 223996449744. Its totient is φ = 124442472000.

The previous prime is 171108398959. The next prime is 171108399223. The reversal of 171108399055 is 550993801171.

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

It is not a de Polignac number, because 171108399055 - 2⁷ = 171108398927 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, 1555530846 + ... + 1555530955.

It is an arithmetic number, because the mean of its divisors is an integer number (27999556218).

Almost surely, 2^171108399055 is an apocalyptic number.

171108399055 is a deficient number, since it is larger than the sum of its proper divisors (52888050689).

171108399055 is a wasteful number, since it uses less digits than its factorization.

171108399055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111061817.

The product of its (nonzero) digits is 340200, while the sum is 49.

The spelling of 171108399055 in words is "one hundred seventy-one billion, one hundred eight million, three hundred ninety-nine thousand, fifty-five".