5287616530561 has 2 divisors, whose sum is σ = 5287616530562. Its totient is φ = 5287616530560.

The previous prime is 5287616530519. The next prime is 5287616530579. The reversal of 5287616530561 is 1650356167825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4350290490225 + 937326040336 = 2085735^2 + 968156^2 .

It is a cyclic number.

It is not a de Polignac number, because 5287616530561 - 2²⁹ = 5287079659649 is a prime.

It is not a weakly prime, because it can be changed into another prime (5287616530501) 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, 2643808265280 + 2643808265281.

It is an arithmetic number, because the mean of its divisors is an integer number (2643808265281).

Almost surely, 2^{5287616530561} is an apocalyptic number.

It is an amenable number.

5287616530561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5287616530561 is an equidigital number, since it uses as much as digits as its factorization.

5287616530561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 5287616530561 in words is "five trillion, two hundred eighty-seven billion, six hundred sixteen million, five hundred thirty thousand, five hundred sixty-one".