171109422105 has 16 divisors (see below), whose sum is σ = 273780414720. Its totient is φ = 91256578688.

The previous prime is 171109422103. The next prime is 171109422119. The reversal of 171109422105 is 501224901171.

It is a cyclic number.

It is not a de Polignac number, because 171109422105 - 2¹ = 171109422103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171109422103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131136 + ... + 1273454.

It is an arithmetic number, because the mean of its divisors is an integer number (17111275920).

Almost surely, 2^171109422105 is an apocalyptic number.

171109422105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

171109422105 is a deficient number, since it is larger than the sum of its proper divisors (102670992615).

171109422105 is a wasteful number, since it uses less digits than its factorization.

171109422105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222480.

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 171109422105 in words is "one hundred seventy-one billion, one hundred nine million, four hundred twenty-two thousand, one hundred five".