65050565615005 has 4 divisors (see below), whose sum is σ = 78060678738012. Its totient is φ = 52040452492000.

The previous prime is 65050565614961. The next prime is 65050565615011. The reversal of 65050565615005 is 50051656505056.

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 26861799368569 + 38188766246436 = 5182837^2 + 6179706^2 .

It is not a de Polignac number, because 65050565615005 - 2¹¹ = 65050565612957 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 65050565615005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6505056561496 + ... + 6505056561505.

It is an arithmetic number, because the mean of its divisors is an integer number (19515169684503).

Almost surely, 2^{65050565615005} is an apocalyptic number.

It is an amenable number.

65050565615005 is a deficient number, since it is larger than the sum of its proper divisors (13010113123007).

65050565615005 is a wasteful number, since it uses less digits than its factorization.

65050565615005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13010113123006.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 65050565615005 in words is "sixty-five trillion, fifty billion, five hundred sixty-five million, six hundred fifteen thousand, five".