109355186412305 has 4 divisors (see below), whose sum is σ = 131226223694772. Its totient is φ = 87484149129840.

The previous prime is 109355186412289. The next prime is 109355186412317. The reversal of 109355186412305 is 503214681553901.

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 68518280990929 + 40836905421376 = 8277577^2 + 6390376^2 .

It is not a de Polignac number, because 109355186412305 - 2⁴ = 109355186412289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10935518641226 + ... + 10935518641235.

It is an arithmetic number, because the mean of its divisors is an integer number (32806555923693).

Almost surely, 2^{109355186412305} is an apocalyptic number.

It is an amenable number.

109355186412305 is a deficient number, since it is larger than the sum of its proper divisors (21871037282467).

109355186412305 is an equidigital number, since it uses as much as digits as its factorization.

109355186412305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21871037282466.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 109355186412305 in words is "one hundred nine trillion, three hundred fifty-five billion, one hundred eighty-six million, four hundred twelve thousand, three hundred five".