11051239 has 2 divisors, whose sum is σ = 11051240. Its totient is φ = 11051238.

The previous prime is 11051213. The next prime is 11051267. The reversal of 11051239 is 93215011.

It is a weak prime.

It is an emirp because it is prime and its reverse (93215011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11051239 - 2⁷ = 11051111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11051039) 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, 5525619 + 5525620.

It is an arithmetic number, because the mean of its divisors is an integer number (5525620).

Almost surely, 2^11051239 is an apocalyptic number.

11051239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11051239 is an equidigital number, since it uses as much as digits as its factorization.

11051239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 11051239 is about 3324.3403857006. The cubic root of 11051239 is about 222.7427909827.

The spelling of 11051239 in words is "eleven million, fifty-one thousand, two hundred thirty-nine".