11776481 has 2 divisors, whose sum is σ = 11776482. Its totient is φ = 11776480.

The previous prime is 11776423. The next prime is 11776493. The reversal of 11776481 is 18467711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10758400 + 1018081 = 3280^2 + 1009^2 .

It is an emirp because it is prime and its reverse (18467711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11776481 - 2⁶ = 11776417 is a prime.

It is a super-2 number, since 2×11776481² = 277371009486722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11776411) 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, 5888240 + 5888241.

It is an arithmetic number, because the mean of its divisors is an integer number (5888241).

Almost surely, 2^11776481 is an apocalyptic number.

It is an amenable number.

11776481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11776481 is an equidigital number, since it uses as much as digits as its factorization.

11776481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 35.

The square root of 11776481 is about 3431.6877771732. The cubic root of 11776481 is about 227.5124559456.

The spelling of 11776481 in words is "eleven million, seven hundred seventy-six thousand, four hundred eighty-one".