5665510506501 has 16 divisors (see below), whose sum is σ = 8393772467520. Its totient is φ = 3776816398320.

The previous prime is 5665510506421. The next prime is 5665510506527. The reversal of 5665510506501 is 1056050155665.

It is not a de Polignac number, because 5665510506501 - 2¹⁰ = 5665510505477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665510506581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4748655 + ... + 5820716.

It is an arithmetic number, because the mean of its divisors is an integer number (524610779220).

Almost surely, 2^{5665510506501} is an apocalyptic number.

It is an amenable number.

5665510506501 is a deficient number, since it is larger than the sum of its proper divisors (2728261961019).

5665510506501 is a wasteful number, since it uses less digits than its factorization.

5665510506501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10589233 (or 10589227 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 5665510506501 in words is "five trillion, six hundred sixty-five billion, five hundred ten million, five hundred six thousand, five hundred one".