225745315561173 has 16 divisors (see below), whose sum is σ = 314084924766720. Its totient is φ = 143951478603504.

The previous prime is 225745315561151. The next prime is 225745315561187. The reversal of 225745315561173 is 371165513547522.

It is not a de Polignac number, because 225745315561173 - 2¹⁸ = 225745315299029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225745315561133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18489603 + ... + 28166576.

It is an arithmetic number, because the mean of its divisors is an integer number (19630307797920).

Almost surely, 2^{225745315561173} is an apocalyptic number.

225745315561173 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

225745315561173 is a deficient number, since it is larger than the sum of its proper divisors (88339609205547).

225745315561173 is a wasteful number, since it uses less digits than its factorization.

225745315561173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46726328.

The product of its digits is 26460000, while the sum is 57.

The spelling of 225745315561173 in words is "two hundred twenty-five trillion, seven hundred forty-five billion, three hundred fifteen million, five hundred sixty-one thousand, one hundred seventy-three".