505505055005 has 8 divisors (see below), whose sum is σ = 606611176632. Its totient is φ = 404400636928.

The previous prime is 505505054981. The next prime is 505505055071. The reversal of 505505055005 is 500550505505.

It can be written as a sum of positive squares in 4 ways, for example, as 132162058681 + 373342996324 = 363541^2 + 611018^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505505055005 - 2¹⁸ = 505504792861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 358157 + ... + 1067373.

It is an arithmetic number, because the mean of its divisors is an integer number (75826397079).

Almost surely, 2^505505055005 is an apocalyptic number.

It is an amenable number.

505505055005 is a deficient number, since it is larger than the sum of its proper divisors (101106121627).

505505055005 is a wasteful number, since it uses less digits than its factorization.

505505055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851775.

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

It can be divided in two parts, 50550505500 and 5, that added together give a palindrome (50550505505).

The spelling of 505505055005 in words is "five hundred five billion, five hundred five million, fifty-five thousand, five".