1005050050051 has 4 divisors (see below), whose sum is σ = 1005075234504. Its totient is φ = 1005024865600.

The previous prime is 1005050050021. The next prime is 1005050050063. The reversal of 1005050050051 is 1500500505001.

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 1005050050051 - 2⁷ = 1005050049923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005050050021) 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, 12532270 + ... + 12612211.

It is an arithmetic number, because the mean of its divisors is an integer number (251268808626).

Almost surely, 2^{1005050050051} is an apocalyptic number.

1005050050051 is a deficient number, since it is larger than the sum of its proper divisors (25184453).

1005050050051 is an equidigital number, since it uses as much as digits as its factorization.

1005050050051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25184452.

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

Adding to 1005050050051 its reverse (1500500505001), we get a palindrome (2505550555052).

The spelling of 1005050050051 in words is "one trillion, five billion, fifty million, fifty thousand, fifty-one".