225154125191 has 2 divisors, whose sum is σ = 225154125192. Its totient is φ = 225154125190.

The previous prime is 225154125181. The next prime is 225154125281. The reversal of 225154125191 is 191521451522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225154125191 - 2⁶ = 225154125127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225154125181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112577062595 + 112577062596.

It is an arithmetic number, because the mean of its divisors is an integer number (112577062596).

Almost surely, 2^225154125191 is an apocalyptic number.

225154125191 is a deficient number, since it is larger than the sum of its proper divisors (1).

225154125191 is an equidigital number, since it uses as much as digits as its factorization.

225154125191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 38.

The spelling of 225154125191 in words is "two hundred twenty-five billion, one hundred fifty-four million, one hundred twenty-five thousand, one hundred ninety-one".