1005050005051 has 4 divisors (see below), whose sum is σ = 1021526234704. Its totient is φ = 988573775400.

The previous prime is 1005050005039. The next prime is 1005050005139. The reversal of 1005050005051 is 1505000505001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1005050005051 - 2¹¹ = 1005050003003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005050005031) 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 3 ways as a sum of consecutive naturals, for example, 8238114735 + ... + 8238114856.

It is an arithmetic number, because the mean of its divisors is an integer number (255381558676).

Almost surely, 2^{1005050005051} is an apocalyptic number.

1005050005051 is a deficient number, since it is larger than the sum of its proper divisors (16476229653).

1005050005051 is an equidigital number, since it uses as much as digits as its factorization.

1005050005051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16476229652.

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

Multiplying 1005050005051 by its sum of digits (22), we get a palindrome (22111100111122).

The spelling of 1005050005051 in words is "one trillion, five billion, fifty million, five thousand, fifty-one".