225611042255231 has 2 divisors, whose sum is σ = 225611042255232. Its totient is φ = 225611042255230.

The previous prime is 225611042255227. The next prime is 225611042255237. The reversal of 225611042255231 is 132552240116522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225611042255231 - 2² = 225611042255227 is a prime.

It is a super-2 number, since 2×225611042255231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225611042255237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112805521127615 + 112805521127616.

It is an arithmetic number, because the mean of its divisors is an integer number (112805521127616).

Almost surely, 2^{225611042255231} is an apocalyptic number.

225611042255231 is a deficient number, since it is larger than the sum of its proper divisors (1).

225611042255231 is an equidigital number, since it uses as much as digits as its factorization.

225611042255231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 225611042255231 in words is "two hundred twenty-five trillion, six hundred eleven billion, forty-two million, two hundred fifty-five thousand, two hundred thirty-one".