561791230832 has 80 divisors (see below), whose sum is σ = 1235499985440. Its totient is φ = 245623612416.

The previous prime is 561791230831. The next prime is 561791230841. The reversal of 561791230832 is 238032197165.

561791230832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561791230831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558938 + ... + 1198329.

It is an arithmetic number, because the mean of its divisors is an integer number (15443749818).

Almost surely, 2^561791230832 is an apocalyptic number.

561791230832 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

561791230832 is an abundant number, since it is smaller than the sum of its proper divisors (673708754608).

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

561791230832 is a wasteful number, since it uses less digits than its factorization.

561791230832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757370 (or 1757364 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 561791230832 in words is "five hundred sixty-one billion, seven hundred ninety-one million, two hundred thirty thousand, eight hundred thirty-two".