505045500005 has 4 divisors (see below), whose sum is σ = 606054600012. Its totient is φ = 404036400000.

The previous prime is 505045499993. The next prime is 505045500019. The reversal of 505045500005 is 500005540505.

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 268972927876 + 236072572129 = 518626^2 + 485873^2 .

It is not a de Polignac number, because 505045500005 - 2⁴ = 505045499989 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 3 ways as a sum of consecutive naturals, for example, 50504549996 + ... + 50504550005.

It is an arithmetic number, because the mean of its divisors is an integer number (151513650003).

Almost surely, 2^505045500005 is an apocalyptic number.

It is an amenable number.

505045500005 is a deficient number, since it is larger than the sum of its proper divisors (101009100007).

505045500005 is a wasteful number, since it uses less digits than its factorization.

505045500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101009100006.

The product of its (nonzero) digits is 12500, while the sum is 29.

The spelling of 505045500005 in words is "five hundred five billion, forty-five million, five hundred thousand, five".