109171080789 has 16 divisors (see below), whose sum is σ = 150739173504. Its totient is φ = 70236878400.

The previous prime is 109171080737. The next prime is 109171080793. The reversal of 109171080789 is 987080171901.

It is a happy number.

It is not a de Polignac number, because 109171080789 - 2⁷ = 109171080661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109171080719) 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, 5618257 + ... + 5637654.

It is an arithmetic number, because the mean of its divisors is an integer number (9421198344).

Almost surely, 2^109171080789 is an apocalyptic number.

It is an amenable number.

109171080789 is a deficient number, since it is larger than the sum of its proper divisors (41568092715).

109171080789 is a wasteful number, since it uses less digits than its factorization.

109171080789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11256028.

The product of its (nonzero) digits is 254016, while the sum is 51.

The spelling of 109171080789 in words is "one hundred nine billion, one hundred seventy-one million, eighty thousand, seven hundred eighty-nine".