11117497 has 2 divisors, whose sum is σ = 11117498. Its totient is φ = 11117496.

The previous prime is 11117479. The next prime is 11117503. The reversal of 11117497 is 79471111.

11117497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (11117479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6295081 + 4822416 = 2509^2 + 2196^2 .

It is a cyclic number.

It is not a de Polignac number, because 11117497 - 2⁷ = 11117369 is a prime.

It is not a weakly prime, because it can be changed into another prime (11117417) 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, 5558748 + 5558749.

It is an arithmetic number, because the mean of its divisors is an integer number (5558749).

Almost surely, 2^11117497 is an apocalyptic number.

It is an amenable number.

11117497 is a deficient number, since it is larger than the sum of its proper divisors (1).

11117497 is an equidigital number, since it uses as much as digits as its factorization.

11117497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 31.

The square root of 11117497 is about 3334.2910790751. The cubic root of 11117497 is about 223.1870577513.

The spelling of 11117497 in words is "eleven million, one hundred seventeen thousand, four hundred ninety-seven".