111706117 has 2 divisors, whose sum is σ = 111706118. Its totient is φ = 111706116.

The previous prime is 111706109. The next prime is 111706123. The reversal of 111706117 is 711607111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111534721 + 171396 = 10561^2 + 414^2 .

It is a cyclic number.

It is not a de Polignac number, because 111706117 - 2³ = 111706109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111706091 and 111706100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111706417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55853058 + 55853059.

It is an arithmetic number, because the mean of its divisors is an integer number (55853059).

Almost surely, 2^111706117 is an apocalyptic number.

It is an amenable number.

111706117 is a deficient number, since it is larger than the sum of its proper divisors (1).

111706117 is an equidigital number, since it uses as much as digits as its factorization.

111706117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 25.

The square root of 111706117 is about 10569.1114574500. Note that the first 3 decimals coincide. The cubic root of 111706117 is about 481.6064764901.

The spelling of 111706117 in words is "one hundred eleven million, seven hundred six thousand, one hundred seventeen".