5665565656097 has 4 divisors (see below), whose sum is σ = 5715703405380. Its totient is φ = 5615427906816.

The previous prime is 5665565656061. The next prime is 5665565656099. The reversal of 5665565656097 is 7906565655665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242330737441 + 5423234918656 = 492271^2 + 2328784^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665565656097 - 2¹⁸ = 5665565393953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5665565656097.

It is not an unprimeable number, because it can be changed into a prime (5665565656099) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25068874472 + ... + 25068874697.

It is an arithmetic number, because the mean of its divisors is an integer number (1428925851345).

Almost surely, 2^{5665565656097} is an apocalyptic number.

It is an amenable number.

5665565656097 is a deficient number, since it is larger than the sum of its proper divisors (50137749283).

5665565656097 is a wasteful number, since it uses less digits than its factorization.

5665565656097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50137749282.

The product of its (nonzero) digits is 1530900000, while the sum is 71.

The spelling of 5665565656097 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, six hundred fifty-six thousand, ninety-seven".