111411341444191 has 2 divisors, whose sum is σ = 111411341444192. Its totient is φ = 111411341444190.

The previous prime is 111411341444189. The next prime is 111411341444213. The reversal of 111411341444191 is 191444143114111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111411341444191 - 2¹ = 111411341444189 is a prime.

It is a super-2 number, since 2×111411341444191² (a number of 29 digits) contains 22 as substring.

Together with 111411341444189, 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 (111411341444141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55705670722095 + 55705670722096.

It is an arithmetic number, because the mean of its divisors is an integer number (55705670722096).

Almost surely, 2^{111411341444191} is an apocalyptic number.

111411341444191 is a deficient number, since it is larger than the sum of its proper divisors (1).

111411341444191 is an equidigital number, since it uses as much as digits as its factorization.

111411341444191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 40.

The spelling of 111411341444191 in words is "one hundred eleven trillion, four hundred eleven billion, three hundred forty-one million, four hundred forty-four thousand, one hundred ninety-one".