563505643560 has 128 divisors (see below), whose sum is σ = 1703484276480. Its totient is φ = 149116336128.

The previous prime is 563505643537. The next prime is 563505643577. The reversal of 563505643560 is 65346505365.

It is a super-2 number, since 2×563505643560² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64818574 + ... + 64827266.

It is an arithmetic number, because the mean of its divisors is an integer number (13308470910).

Almost surely, 2^563505643560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563505643560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851742138240).

563505643560 is an abundant number, since it is smaller than the sum of its proper divisors (1139978632920).

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

563505643560 is a wasteful number, since it uses less digits than its factorization.

563505643560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12787 (or 12783 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 48.

The spelling of 563505643560 in words is "five hundred sixty-three billion, five hundred five million, six hundred forty-three thousand, five hundred sixty".