225539811479 has 2 divisors, whose sum is σ = 225539811480. Its totient is φ = 225539811478.

The previous prime is 225539811463. The next prime is 225539811493. The reversal of 225539811479 is 974118935522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225539811479 - 2⁴ = 225539811463 is a prime.

It is a super-3 number, since 3×225539811479³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225539811439) 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, 112769905739 + 112769905740.

It is an arithmetic number, because the mean of its divisors is an integer number (112769905740).

Almost surely, 2^225539811479 is an apocalyptic number.

225539811479 is a deficient number, since it is larger than the sum of its proper divisors (1).

225539811479 is an equidigital number, since it uses as much as digits as its factorization.

225539811479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 56.

The spelling of 225539811479 in words is "two hundred twenty-five billion, five hundred thirty-nine million, eight hundred eleven thousand, four hundred seventy-nine".