11055803 has 4 divisors (see below), whose sum is σ = 12060888. Its totient is φ = 10050720.

The previous prime is 11055791. The next prime is 11055817. The reversal of 11055803 is 30855011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30855011 = 11 ⋅2805001.

It is a cyclic number.

It is not a de Polignac number, because 11055803 - 2⁴ = 11055787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11054803) 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 3 ways as a sum of consecutive naturals, for example, 502526 + ... + 502547.

It is an arithmetic number, because the mean of its divisors is an integer number (3015222).

Almost surely, 2^11055803 is an apocalyptic number.

11055803 is a deficient number, since it is larger than the sum of its proper divisors (1005085).

11055803 is a wasteful number, since it uses less digits than its factorization.

11055803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005084.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 11055803 is about 3325.0267668096. The cubic root of 11055803 is about 222.7734499336.

The spelling of 11055803 in words is "eleven million, fifty-five thousand, eight hundred three".