225055707109 has 2 divisors, whose sum is σ = 225055707110. Its totient is φ = 225055707108.

The previous prime is 225055707029. The next prime is 225055707131. The reversal of 225055707109 is 901707550522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220433067009 + 4622640100 = 469503^2 + 67990^2 .

It is a cyclic number.

It is not a de Polignac number, because 225055707109 - 2²⁹ = 224518836197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225055707209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112527853554 + 112527853555.

It is an arithmetic number, because the mean of its divisors is an integer number (112527853555).

Almost surely, 2^225055707109 is an apocalyptic number.

It is an amenable number.

225055707109 is a deficient number, since it is larger than the sum of its proper divisors (1).

225055707109 is an equidigital number, since it uses as much as digits as its factorization.

225055707109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220500, while the sum is 43.

The spelling of 225055707109 in words is "two hundred twenty-five billion, fifty-five million, seven hundred seven thousand, one hundred nine".