91112414111 has 2 divisors, whose sum is σ = 91112414112. Its totient is φ = 91112414110.

The previous prime is 91112414101. The next prime is 91112414117. The reversal of 91112414111 is 11141421119.

It is a strong prime.

It is an emirp because it is prime and its reverse (11141421119) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91112414111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91112414117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45556207055 + 45556207056.

It is an arithmetic number, because the mean of its divisors is an integer number (45556207056).

Almost surely, 2^91112414111 is an apocalyptic number.

91112414111 is a deficient number, since it is larger than the sum of its proper divisors (1).

91112414111 is an equidigital number, since it uses as much as digits as its factorization.

91112414111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 26.

The spelling of 91112414111 in words is "ninety-one billion, one hundred twelve million, four hundred fourteen thousand, one hundred eleven".