11089487 has 2 divisors, whose sum is σ = 11089488. Its totient is φ = 11089486.

The previous prime is 11089471. The next prime is 11089499. The reversal of 11089487 is 78498011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11089487 - 2⁴ = 11089471 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11089487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11089087) 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, 5544743 + 5544744.

It is an arithmetic number, because the mean of its divisors is an integer number (5544744).

Almost surely, 2^11089487 is an apocalyptic number.

11089487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11089487 is an equidigital number, since it uses as much as digits as its factorization.

11089487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 11089487 is about 3330.0881369718. The cubic root of 11089487 is about 222.9994637590. Note that the first 3 decimals are identical.

The spelling of 11089487 in words is "eleven million, eighty-nine thousand, four hundred eighty-seven".