110809091 has 4 divisors (see below), whose sum is σ = 110838000. Its totient is φ = 110780184.

The previous prime is 110809081. The next prime is 110809099. The reversal of 110809091 is 190908011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110809091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110809099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7631 + ... + 16728.

It is an arithmetic number, because the mean of its divisors is an integer number (27709500).

Almost surely, 2^110809091 is an apocalyptic number.

110809091 is a deficient number, since it is larger than the sum of its proper divisors (28909).

110809091 is an equidigital number, since it uses as much as digits as its factorization.

110809091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28908.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 110809091 is about 10526.5897136727. The cubic root of 110809091 is about 480.3138731272.

The spelling of 110809091 in words is "one hundred ten million, eight hundred nine thousand, ninety-one".