51006100111 has 2 divisors, whose sum is σ = 51006100112. Its totient is φ = 51006100110.

The previous prime is 51006100109. The next prime is 51006100151. The reversal of 51006100111 is 11100160015.

51006100111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51006100111 - 2¹ = 51006100109 is a prime.

Together with 51006100109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51006100151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25503050055 + 25503050056.

It is an arithmetic number, because the mean of its divisors is an integer number (25503050056).

Almost surely, 2^51006100111 is an apocalyptic number.

51006100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

51006100111 is an equidigital number, since it uses as much as digits as its factorization.

51006100111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 51006100111 its reverse (11100160015), we get a palindrome (62106260126).

The spelling of 51006100111 in words is "fifty-one billion, six million, one hundred thousand, one hundred eleven".