11281469 has 2 divisors, whose sum is σ = 11281470. Its totient is φ = 11281468.

The previous prime is 11281463. The next prime is 11281471. The reversal of 11281469 is 96418211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10004569 + 1276900 = 3163^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 11281469 - 2⁴ = 11281453 is a prime.

It is a super-2 number, since 2×11281469² = 254543085595922, which contains 22 as substring.

Together with 11281471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11281463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640734 + 5640735.

It is an arithmetic number, because the mean of its divisors is an integer number (5640735).

Almost surely, 2^11281469 is an apocalyptic number.

It is an amenable number.

11281469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11281469 is an equidigital number, since it uses as much as digits as its factorization.

11281469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 32.

The square root of 11281469 is about 3358.7898118221. The cubic root of 11281469 is about 224.2789692328.

The spelling of 11281469 in words is "eleven million, two hundred eighty-one thousand, four hundred sixty-nine".