225160761779 has 2 divisors, whose sum is σ = 225160761780. Its totient is φ = 225160761778.

The previous prime is 225160761757. The next prime is 225160761803. The reversal of 225160761779 is 977167061522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225160761779 - 2⁸ = 225160761523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225160761779.

It is not a weakly prime, because it can be changed into another prime (225160761079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112580380889 + 112580380890.

It is an arithmetic number, because the mean of its divisors is an integer number (112580380890).

Almost surely, 2^225160761779 is an apocalyptic number.

225160761779 is a deficient number, since it is larger than the sum of its proper divisors (1).

225160761779 is an equidigital number, since it uses as much as digits as its factorization.

225160761779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 225160761779 in words is "two hundred twenty-five billion, one hundred sixty million, seven hundred sixty-one thousand, seven hundred seventy-nine".