5601131568 has 120 divisors (see below), whose sum is σ = 15966866448. Its totient is φ = 1832656896.

The previous prime is 5601131537. The next prime is 5601131573. The reversal of 5601131568 is 8651311065.

5601131568 is a `hidden beast` number, since 5 + 60 + 1 + 1 + 31 + 568 = 666.

It is a super-2 number, since 2×5601131568² = 62745349684092277248, 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1739496 + ... + 1742712.

Almost surely, 2^5601131568 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 5601131568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7983433224).

5601131568 is an abundant number, since it is smaller than the sum of its proper divisors (10365734880).

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

5601131568 is a wasteful number, since it uses less digits than its factorization.

5601131568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451 (or 3442 counting only the distinct ones).

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

The square root of 5601131568 is about 74840.7079603073. The cubic root of 5601131568 is about 1775.9276054006.

The spelling of 5601131568 in words is "five billion, six hundred one million, one hundred thirty-one thousand, five hundred sixty-eight".