225134615185 has 16 divisors (see below), whose sum is σ = 270402195024. Its totient is φ = 179947343872.

The previous prime is 225134615159. The next prime is 225134615191. The reversal of 225134615185 is 581516431522.

It can be written as a sum of positive squares in 8 ways, for example, as 48384161296 + 176750453889 = 219964^2 + 420417^2 .

It is a cyclic number.

It is not a de Polignac number, because 225134615185 - 2¹⁵ = 225134582417 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46969149 + ... + 46973941.

It is an arithmetic number, because the mean of its divisors is an integer number (16900137189).

Almost surely, 2^225134615185 is an apocalyptic number.

It is an amenable number.

225134615185 is a deficient number, since it is larger than the sum of its proper divisors (45267579839).

225134615185 is a wasteful number, since it uses less digits than its factorization.

225134615185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204.

The product of its digits is 288000, while the sum is 43.

The spelling of 225134615185 in words is "two hundred twenty-five billion, one hundred thirty-four million, six hundred fifteen thousand, one hundred eighty-five".