5273144810561 has 2 divisors, whose sum is σ = 5273144810562. Its totient is φ = 5273144810560.

The previous prime is 5273144810537. The next prime is 5273144810597. The reversal of 5273144810561 is 1650184413725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3631463809600 + 1641681000961 = 1905640^2 + 1281281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5273144810561 is a prime.

It is not a weakly prime, because it can be changed into another prime (5273144819561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2636572405280 + 2636572405281.

It is an arithmetic number, because the mean of its divisors is an integer number (2636572405281).

Almost surely, 2^{5273144810561} is an apocalyptic number.

It is an amenable number.

5273144810561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5273144810561 is an equidigital number, since it uses as much as digits as its factorization.

5273144810561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 5273144810561 in words is "five trillion, two hundred seventy-three billion, one hundred forty-four million, eight hundred ten thousand, five hundred sixty-one".