11116403 has 4 divisors (see below), whose sum is σ = 11374968. Its totient is φ = 10857840.

The previous prime is 11116381. The next prime is 11116421. The reversal of 11116403 is 30461111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30461111 = 941 ⋅32371.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11116403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11116423) 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, 129218 + ... + 129303.

It is an arithmetic number, because the mean of its divisors is an integer number (2843742).

Almost surely, 2^11116403 is an apocalyptic number.

11116403 is a deficient number, since it is larger than the sum of its proper divisors (258565).

11116403 is an equidigital number, since it uses as much as digits as its factorization.

11116403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258564.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11116403 is about 3334.1270221754. The cubic root of 11116403 is about 223.1797367194.

Adding to 11116403 its reverse (30461111), we get a palindrome (41577514).

The spelling of 11116403 in words is "eleven million, one hundred sixteen thousand, four hundred three".