225064112509 has 2 divisors, whose sum is σ = 225064112510. Its totient is φ = 225064112508.

The previous prime is 225064112489. The next prime is 225064112573. The reversal of 225064112509 is 905211460522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212267525625 + 12796586884 = 460725^2 + 113122^2 .

It is a cyclic number.

It is not a de Polignac number, because 225064112509 - 2⁹ = 225064111997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225064119509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112532056254 + 112532056255.

It is an arithmetic number, because the mean of its divisors is an integer number (112532056255).

Almost surely, 2^225064112509 is an apocalyptic number.

It is an amenable number.

225064112509 is a deficient number, since it is larger than the sum of its proper divisors (1).

225064112509 is an equidigital number, since it uses as much as digits as its factorization.

225064112509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 225064112509 in words is "two hundred twenty-five billion, sixty-four million, one hundred twelve thousand, five hundred nine".