563561213112 has 96 divisors (see below), whose sum is σ = 1557912096000. Its totient is φ = 183987961920.

The previous prime is 563561213099. The next prime is 563561213113. The reversal of 563561213112 is 211312165365.

563561213112 is a `hidden beast` number, since 5 + 6 + 3 + 5 + 612 + 1 + 31 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563561213113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 906439 + ... + 1395977.

It is an arithmetic number, because the mean of its divisors is an integer number (16228251000).

Almost surely, 2^563561213112 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 563561213112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778956048000).

563561213112 is an abundant number, since it is smaller than the sum of its proper divisors (994350882888).

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

563561213112 is a wasteful number, since it uses less digits than its factorization.

563561213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489881 (or 489874 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

Adding to 563561213112 its reverse (211312165365), we get a palindrome (774873378477).

The spelling of 563561213112 in words is "five hundred sixty-three billion, five hundred sixty-one million, two hundred thirteen thousand, one hundred twelve".