1000205610005 has 48 divisors (see below), whose sum is σ = 1435918915200. Its totient is φ = 655131590784.

The previous prime is 1000205609981. The next prime is 1000205610017. The reversal of 1000205610005 is 5000165020001.

It is not a de Polignac number, because 1000205610005 - 2¹⁰ = 1000205608981 is a prime.

It is a super-2 number, since 2×1000205610005² (a number of 25 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 13534646 + ... + 13608344.

It is an arithmetic number, because the mean of its divisors is an integer number (29914977400).

Almost surely, 2^{1000205610005} is an apocalyptic number.

It is an amenable number.

1000205610005 is a deficient number, since it is larger than the sum of its proper divisors (435713305195).

1000205610005 is an equidigital number, since it uses as much as digits as its factorization.

1000205610005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74490 (or 74467 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 1000205610005 in words is "one trillion, two hundred five million, six hundred ten thousand, five".