11445871 has 2 divisors, whose sum is σ = 11445872. Its totient is φ = 11445870.

The previous prime is 11445829. The next prime is 11445877. The reversal of 11445871 is 17854411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11445871 - 2⁹ = 11445359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11445877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722935 + 5722936.

It is an arithmetic number, because the mean of its divisors is an integer number (5722936).

Almost surely, 2^11445871 is an apocalyptic number.

11445871 is a deficient number, since it is larger than the sum of its proper divisors (1).

11445871 is an equidigital number, since it uses as much as digits as its factorization.

11445871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 31.

The square root of 11445871 is about 3383.1746925041. The cubic root of 11445871 is about 225.3631731565.

The spelling of 11445871 in words is "eleven million, four hundred forty-five thousand, eight hundred seventy-one".