5561181360 has 240 divisors, whose sum is σ = 22135416576. Its totient is φ = 1271096064.

The previous prime is 5561181337. The next prime is 5561181371. The reversal of 5561181360 is 631811655.

5561181360 is a `hidden beast` number, since 5 + 5 + 611 + 8 + 1 + 36 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×5561181360² = 61853476237622899200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115647 + ... + 156513.

Almost surely, 2^5561181360 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 5561181360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11067708288).

5561181360 is an abundant number, since it is smaller than the sum of its proper divisors (16574235216).

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

5561181360 is a wasteful number, since it uses less digits than its factorization.

5561181360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40902 (or 40884 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 5561181360 is about 74573.3287442635. The cubic root of 5561181360 is about 1771.6952445512.

The spelling of 5561181360 in words is "five billion, five hundred sixty-one million, one hundred eighty-one thousand, three hundred sixty".