109135911 has 4 divisors (see below), whose sum is σ = 145514552. Its totient is φ = 72757272.

The previous prime is 109135909. The next prime is 109135921. The reversal of 109135911 is 119531901.

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

It is not a de Polignac number, because 109135911 - 2¹ = 109135909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109135921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18189316 + ... + 18189321.

It is an arithmetic number, because the mean of its divisors is an integer number (36378638).

Almost surely, 2^109135911 is an apocalyptic number.

109135911 is a deficient number, since it is larger than the sum of its proper divisors (36378641).

109135911 is an equidigital number, since it uses as much as digits as its factorization.

109135911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36378640.

The product of its (nonzero) digits is 1215, while the sum is 30.

The square root of 109135911 is about 10446.8134375990. The cubic root of 109135911 is about 477.8840761001.

The spelling of 109135911 in words is "one hundred nine million, one hundred thirty-five thousand, nine hundred eleven".