109111859 has 16 divisors (see below), whose sum is σ = 113965920. Its totient is φ = 104405760.

The previous prime is 109111841. The next prime is 109111867. The reversal of 109111859 is 958111901.

It is a cyclic number.

It is not a de Polignac number, because 109111859 - 2¹² = 109107763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109111879) 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, 476357 + ... + 476585.

It is an arithmetic number, because the mean of its divisors is an integer number (7122870).

Almost surely, 2^109111859 is an apocalyptic number.

109111859 is a deficient number, since it is larger than the sum of its proper divisors (4854061).

109111859 is a wasteful number, since it uses less digits than its factorization.

109111859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470.

The product of its (nonzero) digits is 3240, while the sum is 35.

The square root of 109111859 is about 10445.6622097405. The cubic root of 109111859 is about 477.8489672400.

The spelling of 109111859 in words is "one hundred nine million, one hundred eleven thousand, eight hundred fifty-nine".