225064370191 has 2 divisors, whose sum is σ = 225064370192. Its totient is φ = 225064370190.

The previous prime is 225064370189. The next prime is 225064370257. The reversal of 225064370191 is 191073460522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225064370191 - 2¹ = 225064370189 is a prime.

Together with 225064370189, 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 (225064370171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112532185095 + 112532185096.

It is an arithmetic number, because the mean of its divisors is an integer number (112532185096).

Almost surely, 2^225064370191 is an apocalyptic number.

225064370191 is a deficient number, since it is larger than the sum of its proper divisors (1).

225064370191 is an equidigital number, since it uses as much as digits as its factorization.

225064370191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 225064370191 in words is "two hundred twenty-five billion, sixty-four million, three hundred seventy thousand, one hundred ninety-one".