565735480856 has 144 divisors (see below), whose sum is σ = 1385451788400. Its totient is φ = 212026823424.

The previous prime is 565735480831. The next prime is 565735480879. The reversal of 565735480856 is 658084537565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3333710 + ... + 3499298.

It is an arithmetic number, because the mean of its divisors is an integer number (9621192975).

Almost surely, 2^565735480856 is an apocalyptic number.

565735480856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565735480856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692725894200).

565735480856 is an abundant number, since it is smaller than the sum of its proper divisors (819716307544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565735480856 is a wasteful number, since it uses less digits than its factorization.

565735480856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165666 (or 165630 counting only the distinct ones).

The product of its (nonzero) digits is 120960000, while the sum is 62.

The spelling of 565735480856 in words is "five hundred sixty-five billion, seven hundred thirty-five million, four hundred eighty thousand, eight hundred fifty-six".