5005550005565 has 4 divisors (see below), whose sum is σ = 6006660006684. Its totient is φ = 4004440004448.

The previous prime is 5005550005549. The next prime is 5005550005591. The reversal of 5005550005565 is 5655000555005.

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 1449380025604 + 3556169979961 = 1203902^2 + 1885781^2 .

It is a cyclic number.

It is not a de Polignac number, because 5005550005565 - 2⁴ = 5005550005549 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 500555000552 + ... + 500555000561.

It is an arithmetic number, because the mean of its divisors is an integer number (1501665001671).

Almost surely, 2^{5005550005565} is an apocalyptic number.

It is an amenable number.

5005550005565 is a deficient number, since it is larger than the sum of its proper divisors (1001110001119).

5005550005565 is a wasteful number, since it uses less digits than its factorization.

5005550005565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001110001118.

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 5005550005565 in words is "five trillion, five billion, five hundred fifty million, five thousand, five hundred sixty-five".