11281463 has 2 divisors, whose sum is σ = 11281464. Its totient is φ = 11281462.

The previous prime is 11281453. The next prime is 11281469. The reversal of 11281463 is 36418211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11281463 - 2⁶ = 11281399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11281469) 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, 5640731 + 5640732.

It is an arithmetic number, because the mean of its divisors is an integer number (5640732).

Almost surely, 2^11281463 is an apocalyptic number.

11281463 is a deficient number, since it is larger than the sum of its proper divisors (1).

11281463 is an equidigital number, since it uses as much as digits as its factorization.

11281463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 11281463 is about 3358.7889186431. The cubic root of 11281463 is about 224.2789294722.

Adding to 11281463 its reverse (36418211), we get a palindrome (47699674).

The spelling of 11281463 in words is "eleven million, two hundred eighty-one thousand, four hundred sixty-three".