111116497 has 2 divisors, whose sum is σ = 111116498. Its totient is φ = 111116496.

The previous prime is 111116483. The next prime is 111116527. The reversal of 111116497 is 794611111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104019601 + 7096896 = 10199^2 + 2664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111116497 is a prime.

It is not a weakly prime, because it can be changed into another prime (111116407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55558248 + 55558249.

It is an arithmetic number, because the mean of its divisors is an integer number (55558249).

Almost surely, 2^111116497 is an apocalyptic number.

It is an amenable number.

111116497 is a deficient number, since it is larger than the sum of its proper divisors (1).

111116497 is an equidigital number, since it uses as much as digits as its factorization.

111116497 is an odious number, because the sum of its binary digits is odd.

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

The square root of 111116497 is about 10541.1810059405. The cubic root of 111116497 is about 480.7576244396.

The spelling of 111116497 in words is "one hundred eleven million, one hundred sixteen thousand, four hundred ninety-seven".