50511006005 has 4 divisors (see below), whose sum is σ = 60613207212. Its totient is φ = 40408804800.

The previous prime is 50511005969. The next prime is 50511006047. The reversal of 50511006005 is 50060011505.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21192662929 + 29318343076 = 145577^2 + 171226^2 .

It is not a de Polignac number, because 50511006005 - 2¹⁸ = 50510743861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 5051100596 + ... + 5051100605.

It is an arithmetic number, because the mean of its divisors is an integer number (15153301803).

Almost surely, 2^50511006005 is an apocalyptic number.

It is an amenable number.

50511006005 is a deficient number, since it is larger than the sum of its proper divisors (10102201207).

50511006005 is a wasteful number, since it uses less digits than its factorization.

50511006005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102201206.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 50511006005 in words is "fifty billion, five hundred eleven million, six thousand, five".