50511055611 has 4 divisors (see below), whose sum is σ = 67348074152. Its totient is φ = 33674037072.

The previous prime is 50511055591. The next prime is 50511055613. The reversal of 50511055611 is 11655011505.

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

It is not a de Polignac number, because 50511055611 - 2⁶ = 50511055547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50511055613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8418509266 + ... + 8418509271.

It is an arithmetic number, because the mean of its divisors is an integer number (16837018538).

Almost surely, 2^50511055611 is an apocalyptic number.

50511055611 is a deficient number, since it is larger than the sum of its proper divisors (16837018541).

50511055611 is a wasteful number, since it uses less digits than its factorization.

50511055611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16837018540.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 50511055611 in words is "fifty billion, five hundred eleven million, fifty-five thousand, six hundred eleven".