1000505005051 has 12 divisors (see below), whose sum is σ = 1046018512792. Its totient is φ = 956445069888.

The previous prime is 1000505005033. The next prime is 1000505005063. The reversal of 1000505005051 is 1505005050001.

It is not a de Polignac number, because 1000505005051 - 2²³ = 1000496616443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000505005151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5171550 + ... + 5361523.

Almost surely, 2^{1000505005051} is an apocalyptic number.

1000505005051 is a deficient number, since it is larger than the sum of its proper divisors (45513507741).

1000505005051 is an equidigital number, since it uses as much as digits as its factorization.

1000505005051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533210 (or 10533163 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The spelling of 1000505005051 in words is "one trillion, five hundred five million, five thousand, fifty-one".