561105226160 has 40 divisors (see below), whose sum is σ = 1304783504880. Its totient is φ = 224405298432.

The previous prime is 561105226159. The next prime is 561105226183. The reversal of 561105226160 is 61622501165.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 561105226160.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81170 + ... + 1062449.

It is an arithmetic number, because the mean of its divisors is an integer number (32619587622).

Almost surely, 2^561105226160 is an apocalyptic number.

It is an amenable number.

561105226160 is an abundant number, since it is smaller than the sum of its proper divisors (743678278720).

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

561105226160 is a wasteful number, since it uses less digits than its factorization.

561105226160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149765 (or 1149759 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 561105226160 in words is "five hundred sixty-one billion, one hundred five million, two hundred twenty-six thousand, one hundred sixty".