561601066703 has 2 divisors, whose sum is σ = 561601066704. Its totient is φ = 561601066702.

The previous prime is 561601066639. The next prime is 561601066757. The reversal of 561601066703 is 307660106165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561601066703 - 2⁶ = 561601066639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561601060703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280800533351 + 280800533352.

It is an arithmetic number, because the mean of its divisors is an integer number (280800533352).

Almost surely, 2^561601066703 is an apocalyptic number.

561601066703 is a deficient number, since it is larger than the sum of its proper divisors (1).

561601066703 is an equidigital number, since it uses as much as digits as its factorization.

561601066703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 561601066703 in words is "five hundred sixty-one billion, six hundred one million, sixty-six thousand, seven hundred three".