111936386911 has 2 divisors, whose sum is σ = 111936386912. Its totient is φ = 111936386910.

The previous prime is 111936386909. The next prime is 111936386971. The reversal of 111936386911 is 119683639111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111936386911 - 2¹ = 111936386909 is a prime.

Together with 111936386909, 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 (111936386971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55968193455 + 55968193456.

It is an arithmetic number, because the mean of its divisors is an integer number (55968193456).

Almost surely, 2^111936386911 is an apocalyptic number.

111936386911 is a deficient number, since it is larger than the sum of its proper divisors (1).

111936386911 is an equidigital number, since it uses as much as digits as its factorization.

111936386911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 49.

The spelling of 111936386911 in words is "one hundred eleven billion, nine hundred thirty-six million, three hundred eighty-six thousand, nine hundred eleven".