109657315171 has 4 divisors (see below), whose sum is σ = 110140387272. Its totient is φ = 109174243072.

The previous prime is 109657315139. The next prime is 109657315213. The reversal of 109657315171 is 171513756901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109657315171 - 2⁵ = 109657315139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109657315871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241535710 + ... + 241536163.

It is an arithmetic number, because the mean of its divisors is an integer number (27535096818).

Almost surely, 2^109657315171 is an apocalyptic number.

109657315171 is a deficient number, since it is larger than the sum of its proper divisors (483072101).

109657315171 is an equidigital number, since it uses as much as digits as its factorization.

109657315171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483072100.

The product of its (nonzero) digits is 198450, while the sum is 46.

The spelling of 109657315171 in words is "one hundred nine billion, six hundred fifty-seven million, three hundred fifteen thousand, one hundred seventy-one".