11005867 has 2 divisors, whose sum is σ = 11005868. Its totient is φ = 11005866.

The previous prime is 11005853. The next prime is 11005871. The reversal of 11005867 is 76850011.

It is a happy number.

11005867 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11005867 - 2²³ = 2617259 is a prime.

It is a super-2 number, since 2×11005867² = 242258216843378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11005847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502933 + 5502934.

It is an arithmetic number, because the mean of its divisors is an integer number (5502934).

Almost surely, 2^11005867 is an apocalyptic number.

11005867 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005867 is an equidigital number, since it uses as much as digits as its factorization.

11005867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 11005867 is about 3317.5091559783. The cubic root of 11005867 is about 222.4375416996.

Adding to 11005867 its reverse (76850011), we get a palindrome (87855878).

The spelling of 11005867 in words is "eleven million, five thousand, eight hundred sixty-seven".