50751711081 has 16 divisors (see below), whose sum is σ = 75204387520. Its totient is φ = 33826973760.

The previous prime is 50751711067. The next prime is 50751711113. The reversal of 50751711081 is 18011715705.

50751711081 is a `hidden beast` number, since 50 + 7 + 517 + 1 + 10 + 81 = 666.

50751711081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50751711081 - 2⁷ = 50751710953 is a prime.

It is a super-3 number, since 3×50751711081³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50751711181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82915 + ... + 329208.

It is an arithmetic number, because the mean of its divisors is an integer number (4700274220).

Almost surely, 2^50751711081 is an apocalyptic number.

It is an amenable number.

50751711081 is a deficient number, since it is larger than the sum of its proper divisors (24452676439).

50751711081 is a wasteful number, since it uses less digits than its factorization.

50751711081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416693 (or 416687 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 36.

The spelling of 50751711081 in words is "fifty billion, seven hundred fifty-one million, seven hundred eleven thousand, eighty-one".