225017536667543 has 2 divisors, whose sum is σ = 225017536667544. Its totient is φ = 225017536667542.

The previous prime is 225017536667503. The next prime is 225017536667611. The reversal of 225017536667543 is 345766635710522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225017536667543 - 2³⁶ = 224948817190807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225017536667503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112508768333771 + 112508768333772.

It is an arithmetic number, because the mean of its divisors is an integer number (112508768333772).

Almost surely, 2^{225017536667543} is an apocalyptic number.

225017536667543 is a deficient number, since it is larger than the sum of its proper divisors (1).

225017536667543 is an equidigital number, since it uses as much as digits as its factorization.

225017536667543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512000, while the sum is 62.

The spelling of 225017536667543 in words is "two hundred twenty-five trillion, seventeen billion, five hundred thirty-six million, six hundred sixty-seven thousand, five hundred forty-three".