11255503 has 4 divisors (see below), whose sum is σ = 12863440. Its totient is φ = 9647568.

The previous prime is 11255473. The next prime is 11255507. The reversal of 11255503 is 30555211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11255503 - 2⁵ = 11255471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803958 + ... + 803971.

It is an arithmetic number, because the mean of its divisors is an integer number (3215860).

Almost surely, 2^11255503 is an apocalyptic number.

11255503 is a deficient number, since it is larger than the sum of its proper divisors (1607937).

11255503 is an equidigital number, since it uses as much as digits as its factorization.

11255503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607936.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 11255503 is about 3354.9222047612. The cubic root of 11255503 is about 224.1067664395.

The spelling of 11255503 in words is "eleven million, two hundred fifty-five thousand, five hundred three".