5561565505606 has 24 divisors (see below), whose sum is σ = 9260477618112. Its totient is φ = 2502954762000.

The previous prime is 5561565505553. The next prime is 5561565505609. The reversal of 5561565505606 is 6065055651655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561565505609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113746230 + ... + 113795113.

It is an arithmetic number, because the mean of its divisors is an integer number (385853234088).

Almost surely, 2^{5561565505606} is an apocalyptic number.

5561565505606 is a deficient number, since it is larger than the sum of its proper divisors (3698912112506).

5561565505606 is a wasteful number, since it uses less digits than its factorization.

5561565505606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227541468 (or 227541457 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 55.

The spelling of 5561565505606 in words is "five trillion, five hundred sixty-one billion, five hundred sixty-five million, five hundred five thousand, six hundred six".