109412444225 has 18 divisors (see below), whose sum is σ = 157821870294. Its totient is φ = 75025675200.

The previous prime is 109412444209. The next prime is 109412444263. The reversal of 109412444225 is 522444214901.

It can be written as a sum of positive squares in 3 ways, for example, as 4516780849 + 104895663376 = 67207^2 + 323876^2 .

It is not a de Polignac number, because 109412444225 - 2⁴ = 109412444209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44656916 + ... + 44659365.

It is an arithmetic number, because the mean of its divisors is an integer number (8767881683).

Almost surely, 2^109412444225 is an apocalyptic number.

It is an amenable number.

109412444225 is a deficient number, since it is larger than the sum of its proper divisors (48409426069).

109412444225 is an equidigital number, since it uses as much as digits as its factorization.

109412444225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89316305 (or 89316293 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 109412444225 in words is "one hundred nine billion, four hundred twelve million, four hundred forty-four thousand, two hundred twenty-five".