109612811 has 24 divisors (see below), whose sum is σ = 138915840. Its totient is φ = 84656880.

The previous prime is 109612801. The next prime is 109612817. The reversal of 109612811 is 118216901.

It is not a de Polignac number, because 109612811 - 2⁶ = 109612747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109612817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107060 + ... + 108078.

It is an arithmetic number, because the mean of its divisors is an integer number (5788160).

Almost surely, 2^109612811 is an apocalyptic number.

109612811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109612811 is a deficient number, since it is larger than the sum of its proper divisors (29303029).

109612811 is a wasteful number, since it uses less digits than its factorization.

109612811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 109612811 is about 10469.6136986997. The cubic root of 109612811 is about 478.5791475189.

The spelling of 109612811 in words is "one hundred nine million, six hundred twelve thousand, eight hundred eleven".