11552771 has 2 divisors, whose sum is σ = 11552772. Its totient is φ = 11552770.

The previous prime is 11552719. The next prime is 11552791. The reversal of 11552771 is 17725511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11552771 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11552791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776385 + 5776386.

It is an arithmetic number, because the mean of its divisors is an integer number (5776386).

Almost surely, 2^11552771 is an apocalyptic number.

11552771 is a deficient number, since it is larger than the sum of its proper divisors (1).

11552771 is an equidigital number, since it uses as much as digits as its factorization.

11552771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2450, while the sum is 29.

The square root of 11552771 is about 3398.9367455132. The cubic root of 11552771 is about 226.0626017613.

The spelling of 11552771 in words is "eleven million, five hundred fifty-two thousand, seven hundred seventy-one".