225012531013169 has 2 divisors, whose sum is σ = 225012531013170. Its totient is φ = 225012531013168.

The previous prime is 225012531013111. The next prime is 225012531013213. The reversal of 225012531013169 is 961310135210522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208427315488144 + 16585215525025 = 14437012^2 + 4072495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225012531013169 is a prime.

It is a super-2 number, since 2×225012531013169² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225012531613169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112506265506584 + 112506265506585.

It is an arithmetic number, because the mean of its divisors is an integer number (112506265506585).

Almost surely, 2^{225012531013169} is an apocalyptic number.

It is an amenable number.

225012531013169 is a deficient number, since it is larger than the sum of its proper divisors (1).

225012531013169 is an equidigital number, since it uses as much as digits as its factorization.

225012531013169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 225012531013169 in words is "two hundred twenty-five trillion, twelve billion, five hundred thirty-one million, thirteen thousand, one hundred sixty-nine".