225545232191 has 2 divisors, whose sum is σ = 225545232192. Its totient is φ = 225545232190.

The previous prime is 225545232173. The next prime is 225545232193. The reversal of 225545232191 is 191232545522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225545232191 - 2⁶ = 225545232127 is a prime.

Together with 225545232193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225545232193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112772616095 + 112772616096.

It is an arithmetic number, because the mean of its divisors is an integer number (112772616096).

Almost surely, 2^225545232191 is an apocalyptic number.

225545232191 is a deficient number, since it is larger than the sum of its proper divisors (1).

225545232191 is an equidigital number, since it uses as much as digits as its factorization.

225545232191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 41.

The spelling of 225545232191 in words is "two hundred twenty-five billion, five hundred forty-five million, two hundred thirty-two thousand, one hundred ninety-one".