500505555505 has 8 divisors (see below), whose sum is σ = 635936470632. Its totient is φ = 376851241728.

The previous prime is 500505555499. The next prime is 500505555509. The reversal of 500505555505 is 505555505005.

It can be written as a sum of positive squares in 4 ways, for example, as 7010545441 + 493495010064 = 83729^2 + 702492^2 .

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 500505555505 - 2⁹ = 500505554993 is a prime.

It is a super-2 number, since 2×500505555505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500505555509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944150242 + ... + 2944150411.

It is an arithmetic number, because the mean of its divisors is an integer number (79492058829).

Almost surely, 2^500505555505 is an apocalyptic number.

It is an amenable number.

500505555505 is a deficient number, since it is larger than the sum of its proper divisors (135430915127).

500505555505 is a wasteful number, since it uses less digits than its factorization.

500505555505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888300675.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 500505555505 in words is "five hundred billion, five hundred five million, five hundred fifty-five thousand, five hundred five".