505055550005 has 4 divisors (see below), whose sum is σ = 606066660012. Its totient is φ = 404044440000.

The previous prime is 505055549993. The next prime is 505055550019. The reversal of 505055550005 is 500055550505.

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 203300890321 + 301754659684 = 450889^2 + 549322^2 .

It is not a de Polignac number, because 505055550005 - 2¹⁴ = 505055533621 is a prime.

It is a super-2 number, since 2×505055550005² (a number of 24 digits) contains 22 as substring.

It is a Duffinian 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, 50505554996 + ... + 50505555005.

It is an arithmetic number, because the mean of its divisors is an integer number (151516665003).

Almost surely, 2^505055550005 is an apocalyptic number.

It is an amenable number.

505055550005 is a deficient number, since it is larger than the sum of its proper divisors (101011110007).

505055550005 is a wasteful number, since it uses less digits than its factorization.

505055550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101011110006.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 505055550005 in words is "five hundred five billion, fifty-five million, five hundred fifty thousand, five".