1108901109 has 16 divisors (see below), whose sum is σ = 1574569152. Its totient is φ = 691753728.

The previous prime is 1108901077. The next prime is 1108901141. The reversal of 1108901109 is 9011098011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1108901077) and next prime (1108901141).

It is not a de Polignac number, because 1108901109 - 2⁵ = 1108901077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108901509) 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, 54019 + ... + 71664.

It is an arithmetic number, because the mean of its divisors is an integer number (98410572).

Almost surely, 2^1108901109 is an apocalyptic number.

It is an amenable number.

1108901109 is a deficient number, since it is larger than the sum of its proper divisors (465668043).

1108901109 is a wasteful number, since it uses less digits than its factorization.

1108901109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125876.

The product of its (nonzero) digits is 648, while the sum is 30.

The square root of 1108901109 is about 33300.1668013840. The cubic root of 1108901109 is about 1035.0570138258.

The spelling of 1108901109 in words is "one billion, one hundred eight million, nine hundred one thousand, one hundred nine".