505055505005 has 4 divisors (see below), whose sum is σ = 606066606012. Its totient is φ = 404044404000.

The previous prime is 505055504981. The next prime is 505055505041. The reversal of 505055505005 is 500505550505.

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 398683639396 + 106371865609 = 631414^2 + 326147^2 .

It is not a de Polignac number, because 505055505005 - 2³² = 500760537709 is a prime.

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, 50505550496 + ... + 50505550505.

It is an arithmetic number, because the mean of its divisors is an integer number (151516651503).

Almost surely, 2^505055505005 is an apocalyptic number.

It is an amenable number.

505055505005 is a deficient number, since it is larger than the sum of its proper divisors (101011101007).

505055505005 is a wasteful number, since it uses less digits than its factorization.

505055505005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101011101006.

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

It can be divided in two parts, 50505550500 and 5, that added together give a palindrome (50505550505).

The spelling of 505055505005 in words is "five hundred five billion, fifty-five million, five hundred five thousand, five".