11257443 has 24 divisors (see below), whose sum is σ = 17526080. Its totient is φ = 6940080.

The previous prime is 11257439. The next prime is 11257501. The reversal of 11257443 is 34475211.

11257443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11257443 - 2² = 11257439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11257243) 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 in 23 ways as a sum of consecutive naturals, for example, 6588 + ... + 8118.

Almost surely, 2^11257443 is an apocalyptic number.

11257443 is a deficient number, since it is larger than the sum of its proper divisors (6268637).

11257443 is a wasteful number, since it uses less digits than its factorization.

11257443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1596 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 11257443 is about 3355.2113197234. The cubic root of 11257443 is about 224.1196413906.

The spelling of 11257443 in words is "eleven million, two hundred fifty-seven thousand, four hundred forty-three".