505000500005 has 32 divisors (see below), whose sum is σ = 664779817440. Its totient is φ = 366567505920.

The previous prime is 505000499953. The next prime is 505000500007. The reversal of 505000500005 is 500005000505.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 9656206756 + 495344293249 = 98266^2 + 703807^2 .

It is a de Polignac number, because none of the positive numbers 2^k-505000500005 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505000500005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505000500007) 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 31 ways as a sum of consecutive naturals, for example, 1474397 + ... + 1784333.

It is an arithmetic number, because the mean of its divisors is an integer number (20774369295).

Almost surely, 2^505000500005 is an apocalyptic number.

It is an amenable number.

505000500005 is a deficient number, since it is larger than the sum of its proper divisors (159779317435).

505000500005 is a wasteful number, since it uses less digits than its factorization.

505000500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310649.

The product of its (nonzero) digits is 625, while the sum is 20.

The spelling of 505000500005 in words is "five hundred five billion, five hundred thousand, five".