109115161171 has 4 divisors (see below), whose sum is σ = 109215544192. Its totient is φ = 109014778152.

The previous prime is 109115161093. The next prime is 109115161219. The reversal of 109115161171 is 171161511901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171161511901 = 338413 ⋅505777.

It is a cyclic number.

It is not a de Polignac number, because 109115161171 - 2²³ = 109106772563 is a prime.

It is a super-2 number, since 2×109115161171² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106115161171) 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, 50189880 + ... + 50192053.

It is an arithmetic number, because the mean of its divisors is an integer number (27303886048).

Almost surely, 2^109115161171 is an apocalyptic number.

109115161171 is a deficient number, since it is larger than the sum of its proper divisors (100383021).

109115161171 is a wasteful number, since it uses less digits than its factorization.

109115161171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100383020.

The product of its (nonzero) digits is 1890, while the sum is 34.

The spelling of 109115161171 in words is "one hundred nine billion, one hundred fifteen million, one hundred sixty-one thousand, one hundred seventy-one".