5561116722 has 198 divisors, whose sum is σ = 15039961119. Its totient is φ = 1537635960.

The previous prime is 5561116697. The next prime is 5561116723. The reversal of 5561116722 is 2276111655.

5561116722 is a `hidden beast` number, since 5 + 5 + 611 + 16 + 7 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2780558361 + 2780558361 = 52731^2 + 52731^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=52731.

It is not an unprimeable number, because it can be changed into a prime (5561116723) by changing a digit.

It is a polite number, since it can be written in 98 ways as a sum of consecutive naturals, for example, 179390847 + ... + 179390877.

Almost surely, 2^5561116722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5561116722

5561116722 is an abundant number, since it is smaller than the sum of its proper divisors (9478844397).

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

5561116722 is an frugal number, since it uses more digits than its factorization.

5561116722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 43 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 5561116722 is about 74572.8953574957. The cubic root of 5561116722 is about 1771.6883803453.

The spelling of 5561116722 in words is "five billion, five hundred sixty-one million, one hundred sixteen thousand, seven hundred twenty-two".