561550000607 has 2 divisors, whose sum is σ = 561550000608. Its totient is φ = 561550000606.

The previous prime is 561550000603. The next prime is 561550000621. The reversal of 561550000607 is 706000055165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561550000607 - 2² = 561550000603 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561550000603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280775000303 + 280775000304.

It is an arithmetic number, because the mean of its divisors is an integer number (280775000304).

Almost surely, 2^561550000607 is an apocalyptic number.

561550000607 is a deficient number, since it is larger than the sum of its proper divisors (1).

561550000607 is an equidigital number, since it uses as much as digits as its factorization.

561550000607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 561550000607 in words is "five hundred sixty-one billion, five hundred fifty million, six hundred seven", and thus it is an aban number.