225594168551 has 2 divisors, whose sum is σ = 225594168552. Its totient is φ = 225594168550.

The previous prime is 225594168487. The next prime is 225594168649. The reversal of 225594168551 is 155861495522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225594168551 - 2⁶ = 225594168487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225594168493 and 225594168502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225594167551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112797084275 + 112797084276.

It is an arithmetic number, because the mean of its divisors is an integer number (112797084276).

Almost surely, 2^225594168551 is an apocalyptic number.

225594168551 is a deficient number, since it is larger than the sum of its proper divisors (1).

225594168551 is an equidigital number, since it uses as much as digits as its factorization.

225594168551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320000, while the sum is 53.

The spelling of 225594168551 in words is "two hundred twenty-five billion, five hundred ninety-four million, one hundred sixty-eight thousand, five hundred fifty-one".