225647118811 has 2 divisors, whose sum is σ = 225647118812. Its totient is φ = 225647118810.

The previous prime is 225647118737. The next prime is 225647118821. The reversal of 225647118811 is 118811746522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225647118811 is a prime.

It is not a weakly prime, because it can be changed into another prime (225647118821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112823559405 + 112823559406.

It is an arithmetic number, because the mean of its divisors is an integer number (112823559406).

Almost surely, 2^225647118811 is an apocalyptic number.

225647118811 is a deficient number, since it is larger than the sum of its proper divisors (1).

225647118811 is an equidigital number, since it uses as much as digits as its factorization.

225647118811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 46.

The spelling of 225647118811 in words is "two hundred twenty-five billion, six hundred forty-seven million, one hundred eighteen thousand, eight hundred eleven".