11785441 has 2 divisors, whose sum is σ = 11785442. Its totient is φ = 11785440.

The previous prime is 11785439. The next prime is 11785447. The reversal of 11785441 is 14458711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6477025 + 5308416 = 2545^2 + 2304^2 .

It is an emirp because it is prime and its reverse (14458711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11785441 - 2¹ = 11785439 is a prime.

Together with 11785439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11785447) 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, 5892720 + 5892721.

It is an arithmetic number, because the mean of its divisors is an integer number (5892721).

Almost surely, 2^11785441 is an apocalyptic number.

It is an amenable number.

11785441 is a deficient number, since it is larger than the sum of its proper divisors (1).

11785441 is an equidigital number, since it uses as much as digits as its factorization.

11785441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 31.

The square root of 11785441 is about 3432.9930090229. The cubic root of 11785441 is about 227.5701413960.

It can be divided in two parts, 117 and 85441, that added together give a palindrome (85558).

The spelling of 11785441 in words is "eleven million, seven hundred eighty-five thousand, four hundred forty-one".