109715105 has 4 divisors (see below), whose sum is σ = 131658132. Its totient is φ = 87772080.

The previous prime is 109715087. The next prime is 109715117. The reversal of 109715105 is 501517901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50794129 + 58920976 = 7127^2 + 7676^2 .

It is not a de Polignac number, because 109715105 - 2⁶ = 109715041 is a prime.

It is a super-2 number, since 2×109715105² = 24074808530322050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10971506 + ... + 10971515.

It is an arithmetic number, because the mean of its divisors is an integer number (32914533).

Almost surely, 2^109715105 is an apocalyptic number.

It is an amenable number.

109715105 is a deficient number, since it is larger than the sum of its proper divisors (21943027).

109715105 is an equidigital number, since it uses as much as digits as its factorization.

109715105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21943026.

The product of its (nonzero) digits is 1575, while the sum is 29.

The square root of 109715105 is about 10474.4978399921. The cubic root of 109715105 is about 478.7279760903.

The spelling of 109715105 in words is "one hundred nine million, seven hundred fifteen thousand, one hundred five".