1005000500005 has 16 divisors (see below), whose sum is σ = 1230620117760. Its totient is φ = 787633432768.

The previous prime is 1005000499991. The next prime is 1005000500017. The reversal of 1005000500005 is 5000050005001.

It is a cyclic number.

It is not a de Polignac number, because 1005000500005 - 2²⁵ = 1004966945573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2702797 + ... + 3052066.

It is an arithmetic number, because the mean of its divisors is an integer number (76913757360).

Almost surely, 2^{1005000500005} is an apocalyptic number.

It is an amenable number.

1005000500005 is a deficient number, since it is larger than the sum of its proper divisors (225619617755).

1005000500005 is an equidigital number, since it uses as much as digits as its factorization.

1005000500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755580.

The product of its (nonzero) digits is 125, while the sum is 16.

Adding to 1005000500005 its reverse (5000050005001), we get a palindrome (6005050505006).

The spelling of 1005000500005 in words is "one trillion, five billion, five hundred thousand, five".