11320012403 has 32 divisors (see below), whose sum is σ = 13394803200. Its totient is φ = 9366534144.

The previous prime is 11320012381. The next prime is 11320012469. The reversal of 11320012403 is 30421002311.

It is not a de Polignac number, because 11320012403 - 2¹⁰ = 11320011379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15965813 + ... + 15966521.

It is an arithmetic number, because the mean of its divisors is an integer number (418587600).

Almost surely, 2^11320012403 is an apocalyptic number.

11320012403 is a deficient number, since it is larger than the sum of its proper divisors (2074790797).

11320012403 is an equidigital number, since it uses as much as digits as its factorization.

11320012403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11320012403 its reverse (30421002311), we get a palindrome (41741014714).

The spelling of 11320012403 in words is "eleven billion, three hundred twenty million, twelve thousand, four hundred three".