50111000111 has 4 divisors (see below), whose sum is σ = 50219701224. Its totient is φ = 50002299000.

The previous prime is 50111000099. The next prime is 50111000117. The reversal of 50111000111 is 11100011105.

It is a happy number.

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 50111000111 - 2⁶ = 50111000047 is a prime.

It is a super-2 number, since 2×50111000111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50111000092 and 50111000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50111000117) 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, 54349865 + ... + 54350786.

It is an arithmetic number, because the mean of its divisors is an integer number (12554925306).

Almost surely, 2^50111000111 is an apocalyptic number.

50111000111 is a deficient number, since it is larger than the sum of its proper divisors (108701113).

50111000111 is a wasteful number, since it uses less digits than its factorization.

50111000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108701112.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 50111000111 its reverse (11100011105), we get a palindrome (61211011216).

The spelling of 50111000111 in words is "fifty billion, one hundred eleven million, one hundred eleven", and thus it is an aban number.