11166439 has 2 divisors, whose sum is σ = 11166440. Its totient is φ = 11166438.

The previous prime is 11166427. The next prime is 11166451. The reversal of 11166439 is 93466111.

It is a balanced prime because it is at equal distance from previous prime (11166427) and next prime (11166451).

It is a cyclic number.

It is not a de Polignac number, because 11166439 - 2²¹ = 9069287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11166439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11166469) 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, 5583219 + 5583220.

It is an arithmetic number, because the mean of its divisors is an integer number (5583220).

Almost surely, 2^11166439 is an apocalyptic number.

11166439 is a deficient number, since it is larger than the sum of its proper divisors (1).

11166439 is an equidigital number, since it uses as much as digits as its factorization.

11166439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 11166439 is about 3341.6222108431. The cubic root of 11166439 is about 223.5140867325.

The spelling of 11166439 in words is "eleven million, one hundred sixty-six thousand, four hundred thirty-nine".