11057503 has 4 divisors (see below), whose sum is σ = 11538288. Its totient is φ = 10576720.

The previous prime is 11057489. The next prime is 11057513. The reversal of 11057503 is 30575011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11057503 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 (11057513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240358 + ... + 240403.

It is an arithmetic number, because the mean of its divisors is an integer number (2884572).

Almost surely, 2^11057503 is an apocalyptic number.

11057503 is a deficient number, since it is larger than the sum of its proper divisors (480785).

11057503 is an equidigital number, since it uses as much as digits as its factorization.

11057503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480784.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 11057503 is about 3325.2823940231. The cubic root of 11057503 is about 222.7848676315.

The spelling of 11057503 in words is "eleven million, fifty-seven thousand, five hundred three".