225176133779 has 2 divisors, whose sum is σ = 225176133780. Its totient is φ = 225176133778.

The previous prime is 225176133773. The next prime is 225176133851. The reversal of 225176133779 is 977331671522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225176133779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225176133779.

It is not a weakly prime, because it can be changed into another prime (225176133773) 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, 112588066889 + 112588066890.

It is an arithmetic number, because the mean of its divisors is an integer number (112588066890).

Almost surely, 2^225176133779 is an apocalyptic number.

225176133779 is a deficient number, since it is larger than the sum of its proper divisors (1).

225176133779 is an equidigital number, since it uses as much as digits as its factorization.

225176133779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3333960, while the sum is 53.

The spelling of 225176133779 in words is "two hundred twenty-five billion, one hundred seventy-six million, one hundred thirty-three thousand, seven hundred seventy-nine".