5665560511601 has 8 divisors (see below), whose sum is σ = 5681041003560. Its totient is φ = 5650084718208.

The previous prime is 5665560511529. The next prime is 5665560511603. The reversal of 5665560511601 is 1061150655665.

It can be written as a sum of positive squares in 4 ways, for example, as 1346017632400 + 4319542879201 = 1160180^2 + 2078351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5665560511601 is a prime.

It is a super-2 number, since 2×5665560511601² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5665560511603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247075 + ... + 3589751.

It is an arithmetic number, because the mean of its divisors is an integer number (710130125445).

Almost surely, 2^{5665560511601} is an apocalyptic number.

It is an amenable number.

5665560511601 is a deficient number, since it is larger than the sum of its proper divisors (15480491959).

5665560511601 is a wasteful number, since it uses less digits than its factorization.

5665560511601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349283.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 5665560511601 in words is "five trillion, six hundred sixty-five billion, five hundred sixty million, five hundred eleven thousand, six hundred one".