11256003 has 24 divisors (see below), whose sum is σ = 18398016. Its totient is φ = 6820200.

The previous prime is 11255971. The next prime is 11256019. The reversal of 11256003 is 30065211.

It is not a de Polignac number, because 11256003 - 2⁵ = 11255971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11256053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 568 + ... + 4778.

It is an arithmetic number, because the mean of its divisors is an integer number (766584).

Almost surely, 2^11256003 is an apocalyptic number.

11256003 is a deficient number, since it is larger than the sum of its proper divisors (7142013).

11256003 is an equidigital number, since it uses as much as digits as its factorization.

11256003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237 (or 4225 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11256003 is about 3354.9967213099. The cubic root of 11256003 is about 224.1100848674.

The spelling of 11256003 in words is "eleven million, two hundred fifty-six thousand, three".