11440231203403 has 4 divisors (see below), whose sum is σ = 11441408070568. Its totient is φ = 11439054336240.

The previous prime is 11440231203361. The next prime is 11440231203419. The reversal of 11440231203403 is 30430213204411.

It is a happy number.

11440231203403 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-11440231203403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11440231201403) 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, 588419001 + ... + 588438442.

It is an arithmetic number, because the mean of its divisors is an integer number (2860352017642).

Almost surely, 2^{11440231203403} is an apocalyptic number.

11440231203403 is a deficient number, since it is larger than the sum of its proper divisors (1176867165).

11440231203403 is an equidigital number, since it uses as much as digits as its factorization.

11440231203403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176867164.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 11440231203403 its reverse (30430213204411), we get a palindrome (41870444407814).

The spelling of 11440231203403 in words is "eleven trillion, four hundred forty billion, two hundred thirty-one million, two hundred three thousand, four hundred three".