11130403 has 4 divisors (see below), whose sum is σ = 11514240. Its totient is φ = 10746568.

The previous prime is 11130397. The next prime is 11130419. The reversal of 11130403 is 30403111.

11130403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-11130403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130433) 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, 191875 + ... + 191932.

It is an arithmetic number, because the mean of its divisors is an integer number (2878560).

Almost surely, 2^11130403 is an apocalyptic number.

11130403 is a deficient number, since it is larger than the sum of its proper divisors (383837).

11130403 is an equidigital number, since it uses as much as digits as its factorization.

11130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383836.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11130403 is about 3336.2258616586. The cubic root of 11130403 is about 223.2733882827.

Adding to 11130403 its reverse (30403111), we get a palindrome (41533514).

It can be divided in two parts, 111 and 30403, that multiplied together give a palindrome (3374733).

The spelling of 11130403 in words is "eleven million, one hundred thirty thousand, four hundred three".