109109911 has 2 divisors, whose sum is σ = 109109912. Its totient is φ = 109109910.

The previous prime is 109109887. The next prime is 109109993. The reversal of 109109911 is 119901901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109109911 - 2⁷ = 109109783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109100911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54554955 + 54554956.

It is an arithmetic number, because the mean of its divisors is an integer number (54554956).

Almost surely, 2^109109911 is an apocalyptic number.

109109911 is a deficient number, since it is larger than the sum of its proper divisors (1).

109109911 is an equidigital number, since it uses as much as digits as its factorization.

109109911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 31.

The square root of 109109911 is about 10445.5689648769. The cubic root of 109109911 is about 477.8461235060.

The spelling of 109109911 in words is "one hundred nine million, one hundred nine thousand, nine hundred eleven".