561351860863 has 2 divisors, whose sum is σ = 561351860864. Its totient is φ = 561351860862.

The previous prime is 561351860857. The next prime is 561351860869. The reversal of 561351860863 is 368068153165.

It is a balanced prime because it is at equal distance from previous prime (561351860857) and next prime (561351860869).

It is a cyclic number.

It is not a de Polignac number, because 561351860863 - 2¹³ = 561351852671 is a prime.

It is a super-2 number, since 2×561351860863² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 561351860863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561351860869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280675930431 + 280675930432.

It is an arithmetic number, because the mean of its divisors is an integer number (280675930432).

Almost surely, 2^561351860863 is an apocalyptic number.

561351860863 is a deficient number, since it is larger than the sum of its proper divisors (1).

561351860863 is an equidigital number, since it uses as much as digits as its factorization.

561351860863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 561351860863 in words is "five hundred sixty-one billion, three hundred fifty-one million, eight hundred sixty thousand, eight hundred sixty-three".