109095081 has 4 divisors (see below), whose sum is σ = 145460112. Its totient is φ = 72730052.

The previous prime is 109095073. The next prime is 109095083. The reversal of 109095081 is 180590901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180590901 = 3 ⋅60196967.

It is a cyclic number.

It is not a de Polignac number, because 109095081 - 2³ = 109095073 is a prime.

It is a super-2 number, since 2×109095081² = 23803473396793122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109095083) 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, 18182511 + ... + 18182516.

It is an arithmetic number, because the mean of its divisors is an integer number (36365028).

Almost surely, 2^109095081 is an apocalyptic number.

It is an amenable number.

109095081 is a deficient number, since it is larger than the sum of its proper divisors (36365031).

109095081 is an equidigital number, since it uses as much as digits as its factorization.

109095081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36365030.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 109095081 is about 10444.8590703752. The cubic root of 109095081 is about 477.8244732299.

The spelling of 109095081 in words is "one hundred nine million, ninety-five thousand, eighty-one".