5665561115601 has 8 divisors (see below), whose sum is σ = 7660477001664. Its totient is φ = 3723842986640.

The previous prime is 5665561115579. The next prime is 5665561115653. The reversal of 5665561115601 is 1065111655665.

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

It is a cyclic number.

It is not a de Polignac number, because 5665561115601 - 2⁹ = 5665561115089 is a prime.

It is a super-2 number, since 2×5665561115601² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5665561115701) 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, 13299439026 + ... + 13299439451.

It is an arithmetic number, because the mean of its divisors is an integer number (957559625208).

Almost surely, 2^{5665561115601} is an apocalyptic number.

It is an amenable number.

5665561115601 is a deficient number, since it is larger than the sum of its proper divisors (1994915886063).

5665561115601 is a wasteful number, since it uses less digits than its factorization.

5665561115601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26598878551.

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 5665561115601 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-one million, one hundred fifteen thousand, six hundred one".