10011191 has 2 divisors, whose sum is σ = 10011192. Its totient is φ = 10011190.

The previous prime is 10011173. The next prime is 10011203. The reversal of 10011191 is 19111001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10011191 - 2¹⁴ = 9994807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005595 + 5005596.

It is an arithmetic number, because the mean of its divisors is an integer number (5005596).

Almost surely, 2^10011191 is an apocalyptic number.

10011191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011191 is an equidigital number, since it uses as much as digits as its factorization.

10011191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 14.

The square root of 10011191 is about 3164.0466178614. The cubic root of 10011191 is about 215.5238066374.

Adding to 10011191 its reverse (19111001), we get a palindrome (29122192).

The spelling of 10011191 in words is "ten million, eleven thousand, one hundred ninety-one".