50115171017 has 6 divisors (see below), whose sum is σ = 52388827722. Its totient is φ = 47936250032.

The previous prime is 50115171013. The next prime is 50115171023. The reversal of 50115171017 is 71017151105.

50115171017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 47973702841 + 2141468176 = 219029^2 + 46276^2 .

It is not a de Polignac number, because 50115171017 - 2² = 50115171013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50115171011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47367308 + ... + 47368365.

It is an arithmetic number, because the mean of its divisors is an integer number (8731471287).

Almost surely, 2^50115171017 is an apocalyptic number.

It is an amenable number.

50115171017 is a deficient number, since it is larger than the sum of its proper divisors (2273656705).

50115171017 is an equidigital number, since it uses as much as digits as its factorization.

50115171017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94735719 (or 94735696 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 29.

The spelling of 50115171017 in words is "fifty billion, one hundred fifteen million, one hundred seventy-one thousand, seventeen".