11166839 has 2 divisors, whose sum is σ = 11166840. Its totient is φ = 11166838.

The previous prime is 11166829. The next prime is 11166853. The reversal of 11166839 is 93866111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11166839 - 2⁸ = 11166583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11166799 and 11166808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11166829) 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, 5583419 + 5583420.

It is an arithmetic number, because the mean of its divisors is an integer number (5583420).

Almost surely, 2^11166839 is an apocalyptic number.

11166839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11166839 is an equidigital number, since it uses as much as digits as its factorization.

11166839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 11166839 is about 3341.6820614774. The cubic root of 11166839 is about 223.5167555799.

The spelling of 11166839 in words is "eleven million, one hundred sixty-six thousand, eight hundred thirty-nine".