225112185163 has 2 divisors, whose sum is σ = 225112185164. Its totient is φ = 225112185162.

The previous prime is 225112185161. The next prime is 225112185191. The reversal of 225112185163 is 361581211522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225112185163 - 2¹ = 225112185161 is a prime.

Together with 225112185161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (225112185161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112556092581 + 112556092582.

It is an arithmetic number, because the mean of its divisors is an integer number (112556092582).

Almost surely, 2^225112185163 is an apocalyptic number.

225112185163 is a deficient number, since it is larger than the sum of its proper divisors (1).

225112185163 is an equidigital number, since it uses as much as digits as its factorization.

225112185163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 37.

Adding to 225112185163 its reverse (361581211522), we get a palindrome (586693396685).

The spelling of 225112185163 in words is "two hundred twenty-five billion, one hundred twelve million, one hundred eighty-five thousand, one hundred sixty-three".