11481863 has 2 divisors, whose sum is σ = 11481864. Its totient is φ = 11481862.

The previous prime is 11481859. The next prime is 11481893. The reversal of 11481863 is 36818411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11481863 - 2² = 11481859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11481893) 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, 5740931 + 5740932.

It is an arithmetic number, because the mean of its divisors is an integer number (5740932).

Almost surely, 2^11481863 is an apocalyptic number.

11481863 is a deficient number, since it is larger than the sum of its proper divisors (1).

11481863 is an equidigital number, since it uses as much as digits as its factorization.

11481863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 32.

The square root of 11481863 is about 3388.4897815989. The cubic root of 11481863 is about 225.5991471620.

The spelling of 11481863 in words is "eleven million, four hundred eighty-one thousand, eight hundred sixty-three".