225581043271 has 2 divisors, whose sum is σ = 225581043272. Its totient is φ = 225581043270.

The previous prime is 225581043269. The next prime is 225581043283. The reversal of 225581043271 is 172340185522.

225581043271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225581043271 - 2¹ = 225581043269 is a prime.

Together with 225581043269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225581043211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112790521635 + 112790521636.

It is an arithmetic number, because the mean of its divisors is an integer number (112790521636).

Almost surely, 2^225581043271 is an apocalyptic number.

225581043271 is a deficient number, since it is larger than the sum of its proper divisors (1).

225581043271 is an equidigital number, since it uses as much as digits as its factorization.

225581043271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 225581043271 in words is "two hundred twenty-five billion, five hundred eighty-one million, forty-three thousand, two hundred seventy-one".