225501455121539 has 2 divisors, whose sum is σ = 225501455121540. Its totient is φ = 225501455121538.

The previous prime is 225501455121499. The next prime is 225501455121577. The reversal of 225501455121539 is 935121554105522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225501455121539 - 2¹² = 225501455117443 is a prime.

It is not a weakly prime, because it can be changed into another prime (225501455321539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112750727560769 + 112750727560770.

It is an arithmetic number, because the mean of its divisors is an integer number (112750727560770).

Almost surely, 2^{225501455121539} is an apocalyptic number.

225501455121539 is a deficient number, since it is larger than the sum of its proper divisors (1).

225501455121539 is an equidigital number, since it uses as much as digits as its factorization.

225501455121539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700000, while the sum is 50.

The spelling of 225501455121539 in words is "two hundred twenty-five trillion, five hundred one billion, four hundred fifty-five million, one hundred twenty-one thousand, five hundred thirty-nine".