13211540404 has 24 divisors (see below), whose sum is σ = 23246882568. Its totient is φ = 6569656320.

The previous prime is 13211540393. The next prime is 13211540417. The reversal of 13211540404 is 40404511231.

13211540404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8241008400 + 4970532004 = 90780^2 + 70502^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 661444 + ... + 681124.

It is an arithmetic number, because the mean of its divisors is an integer number (968620107).

Almost surely, 2^13211540404 is an apocalyptic number.

It is an amenable number.

13211540404 is a deficient number, since it is larger than the sum of its proper divisors (10035342164).

13211540404 is a wasteful number, since it uses less digits than its factorization.

13211540404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20595 (or 20593 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 13211540404 in words is "thirteen billion, two hundred eleven million, five hundred forty thousand, four hundred four".