561111060060 has 144 divisors (see below), whose sum is σ = 1748851584480. Its totient is φ = 145542942720.

The previous prime is 561111060001. The next prime is 561111060061. The reversal of 561111060060 is 60060111165.

561111060060 is a `hidden beast` number, since 56 + 1 + 1 + 1 + 1 + 0 + 600 + 6 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561111060061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1714936 + ... + 2015744.

It is an arithmetic number, because the mean of its divisors is an integer number (12144802670).

Almost surely, 2^561111060060 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 561111060060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874425792240).

561111060060 is an abundant number, since it is smaller than the sum of its proper divisors (1187740524420).

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

561111060060 is a wasteful number, since it uses less digits than its factorization.

561111060060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301108 (or 301103 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 561111060060 in words is "five hundred sixty-one billion, one hundred eleven million, sixty thousand, sixty".