561024855008 has 96 divisors (see below), whose sum is σ = 1153705835520. Its totient is φ = 268248314880.

The previous prime is 561024854983. The next prime is 561024855067. The reversal of 561024855008 is 800558420165.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 561024855008.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 43406435 + ... + 43419357.

It is an arithmetic number, because the mean of its divisors is an integer number (12017769120).

Almost surely, 2^561024855008 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 561024855008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576852917760).

561024855008 is an abundant number, since it is smaller than the sum of its proper divisors (592680980512).

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

561024855008 is a wasteful number, since it uses less digits than its factorization.

561024855008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13480 (or 13472 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 44.

The spelling of 561024855008 in words is "five hundred sixty-one billion, twenty-four million, eight hundred fifty-five thousand, eight".