505600110561 has 64 divisors (see below), whose sum is σ = 853959794688. Its totient is φ = 258924273408.

The previous prime is 505600110557. The next prime is 505600110581. The reversal of 505600110561 is 165011006505.

It is not a de Polignac number, because 505600110561 - 2² = 505600110557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505600110581) 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 in 63 ways as a sum of consecutive naturals, for example, 4663576 + ... + 4770758.

It is an arithmetic number, because the mean of its divisors is an integer number (13343121792).

Almost surely, 2^505600110561 is an apocalyptic number.

It is an amenable number.

505600110561 is a deficient number, since it is larger than the sum of its proper divisors (348359684127).

505600110561 is a wasteful number, since it uses less digits than its factorization.

505600110561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107710.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 505600110561 in words is "five hundred five billion, six hundred million, one hundred ten thousand, five hundred sixty-one".