109056865 has 16 divisors (see below), whose sum is σ = 138988800. Its totient is φ = 81914112.

The previous prime is 109056847. The next prime is 109056889. The reversal of 109056865 is 568650901.

It is a cyclic number.

It is not a de Polignac number, because 109056865 - 2⁵ = 109056833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5656 + ... + 15814.

It is an arithmetic number, because the mean of its divisors is an integer number (8686800).

Almost surely, 2^109056865 is an apocalyptic number.

It is an amenable number.

109056865 is a deficient number, since it is larger than the sum of its proper divisors (29931935).

109056865 is a wasteful number, since it uses less digits than its factorization.

109056865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10296.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 109056865 is about 10443.0294933989. The cubic root of 109056865 is about 477.7686727528.

The spelling of 109056865 in words is "one hundred nine million, fifty-six thousand, eight hundred sixty-five".