111416791 has 2 divisors, whose sum is σ = 111416792. Its totient is φ = 111416790.

The previous prime is 111416749. The next prime is 111416797. The reversal of 111416791 is 197614111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111416791 - 2¹⁷ = 111285719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111416797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55708395 + 55708396.

It is an arithmetic number, because the mean of its divisors is an integer number (55708396).

Almost surely, 2^111416791 is an apocalyptic number.

111416791 is a deficient number, since it is larger than the sum of its proper divisors (1).

111416791 is an equidigital number, since it uses as much as digits as its factorization.

111416791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 31.

The square root of 111416791 is about 10555.4152452663. The cubic root of 111416791 is about 481.1903197821.

The spelling of 111416791 in words is "one hundred eleven million, four hundred sixteen thousand, seven hundred ninety-one".