11040421403 has 32 divisors (see below), whose sum is σ = 12524751360. Its totient is φ = 9646560000.

The previous prime is 11040421393. The next prime is 11040421421. The reversal of 11040421403 is 30412404011.

11040421403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11040421403 - 2⁶ = 11040421339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11040424403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5283983 + ... + 5286071.

It is an arithmetic number, because the mean of its divisors is an integer number (391398480).

Almost surely, 2^11040421403 is an apocalyptic number.

11040421403 is a deficient number, since it is larger than the sum of its proper divisors (1484329957).

11040421403 is a wasteful number, since it uses less digits than its factorization.

11040421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11040421403 its reverse (30412404011), we get a palindrome (41452825414).

The spelling of 11040421403 in words is "eleven billion, forty million, four hundred twenty-one thousand, four hundred three".