11140187 has 2 divisors, whose sum is σ = 11140188. Its totient is φ = 11140186.

The previous prime is 11140183. The next prime is 11140189. The reversal of 11140187 is 78104111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11140187 - 2² = 11140183 is a prime.

Together with 11140189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11140183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570093 + 5570094.

It is an arithmetic number, because the mean of its divisors is an integer number (5570094).

Almost surely, 2^11140187 is an apocalyptic number.

11140187 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140187 is an equidigital number, since it uses as much as digits as its factorization.

11140187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 11140187 is about 3337.6918671441. The cubic root of 11140187 is about 223.3387907382.

Adding to 11140187 its reverse (78104111), we get a palindrome (89244298).

The spelling of 11140187 in words is "eleven million, one hundred forty thousand, one hundred eighty-seven".