5565064605655 has 16 divisors (see below), whose sum is σ = 6726279628800. Its totient is φ = 4420029509280.

The previous prime is 5565064605589. The next prime is 5565064605677.

It is a happy number.

5565064605655 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-5565064605655 is a prime.

It is a super-2 number, since 2×5565064605655² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5565064605655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6639135 + ... + 7430224.

It is an arithmetic number, because the mean of its divisors is an integer number (420392476800).

Almost surely, 2^{5565064605655} is an apocalyptic number.

5565064605655 is a deficient number, since it is larger than the sum of its proper divisors (1161215023145).

5565064605655 is a wasteful number, since it uses less digits than its factorization.

5565064605655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069934.

The product of its (nonzero) digits is 81000000, while the sum is 58.

The spelling of 5565064605655 in words is "five trillion, five hundred sixty-five billion, sixty-four million, six hundred five thousand, six hundred fifty-five".