11320043402203 has 4 divisors (see below), whose sum is σ = 11320547725600. Its totient is φ = 11319539078808.

The previous prime is 11320043402179. The next prime is 11320043402267. The reversal of 11320043402203 is 30220434002311.

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-11320043402203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320043402303) 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, 252128028 + ... + 252172921.

It is an arithmetic number, because the mean of its divisors is an integer number (2830136931400).

Almost surely, 2^{11320043402203} is an apocalyptic number.

11320043402203 is a deficient number, since it is larger than the sum of its proper divisors (504323397).

11320043402203 is an equidigital number, since it uses as much as digits as its factorization.

11320043402203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504323396.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 11320043402203 its reverse (30220434002311), we get a palindrome (41540477404514).

The spelling of 11320043402203 in words is "eleven trillion, three hundred twenty billion, forty-three million, four hundred two thousand, two hundred three".