561016510559 has 2 divisors, whose sum is σ = 561016510560. Its totient is φ = 561016510558.

The previous prime is 561016510511. The next prime is 561016510633. The reversal of 561016510559 is 955015610165.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561016510559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561016510259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280508255279 + 280508255280.

It is an arithmetic number, because the mean of its divisors is an integer number (280508255280).

Almost surely, 2^561016510559 is an apocalyptic number.

561016510559 is a deficient number, since it is larger than the sum of its proper divisors (1).

561016510559 is an equidigital number, since it uses as much as digits as its factorization.

561016510559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 202500, while the sum is 44.

The spelling of 561016510559 in words is "five hundred sixty-one billion, sixteen million, five hundred ten thousand, five hundred fifty-nine".