19120225225 has 6 divisors (see below), whose sum is σ = 23709079310. Its totient is φ = 15296180160.

The previous prime is 19120225213. The next prime is 19120225231. The reversal of 19120225225 is 52252202191.

It can be written as a sum of positive squares in 3 ways, for example, as 2335208976 + 16785016249 = 48324^2 + 129557^2 .

It is not a de Polignac number, because 19120225225 - 2⁹ = 19120224713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 382404480 + ... + 382404529.

Almost surely, 2^19120225225 is an apocalyptic number.

It is an amenable number.

19120225225 is a deficient number, since it is larger than the sum of its proper divisors (4588854085).

19120225225 is an equidigital number, since it uses as much as digits as its factorization.

19120225225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764809019 (or 764809014 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 19120225225 in words is "nineteen billion, one hundred twenty million, two hundred twenty-five thousand, two hundred twenty-five".