109909911 has 16 divisors (see below), whose sum is σ = 151603200. Its totient is φ = 70755360.

The previous prime is 109909907. The next prime is 109909951. The reversal of 109909911 is 119909901.

It is not a de Polignac number, because 109909911 - 2² = 109909907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109909911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109909901) 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, 54721 + ... + 56693.

It is an arithmetic number, because the mean of its divisors is an integer number (9475200).

Almost surely, 2^109909911 is an apocalyptic number.

109909911 is a deficient number, since it is larger than the sum of its proper divisors (41693289).

109909911 is a wasteful number, since it uses less digits than its factorization.

109909911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606.

The product of its (nonzero) digits is 6561, while the sum is 39.

The square root of 109909911 is about 10483.7927774255. The cubic root of 109909911 is about 479.0111456707.

The spelling of 109909911 in words is "one hundred nine million, nine hundred nine thousand, nine hundred eleven".