11355803 has 4 divisors (see below), whose sum is σ = 11462040. Its totient is φ = 11249568.

The previous prime is 11355797. The next prime is 11355857. The reversal of 11355803 is 30855311.

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

It is a cyclic number.

It is not a de Polignac number, because 11355803 - 2⁶ = 11355739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11354803) 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, 52958 + ... + 53171.

It is an arithmetic number, because the mean of its divisors is an integer number (2865510).

Almost surely, 2^11355803 is an apocalyptic number.

11355803 is a deficient number, since it is larger than the sum of its proper divisors (106237).

11355803 is a wasteful number, since it uses less digits than its factorization.

11355803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106236.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 11355803 is about 3369.8372364255. The cubic root of 11355803 is about 224.7704853012.

The spelling of 11355803 in words is "eleven million, three hundred fifty-five thousand, eight hundred three".