13311421504 has 28 divisors (see below), whose sum is σ = 26419491484. Its totient is φ = 6654541824.

The previous prime is 13311421471. The next prime is 13311421507. The reversal of 13311421504 is 40512411331.

It can be written as a sum of positive squares in 2 ways, for example, as 9753537600 + 3557883904 = 98760^2 + 59648^2 .

It is not an unprimeable number, because it can be changed into a prime (13311421507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436912 + ... + 466384.

Almost surely, 2^13311421504 is an apocalyptic number.

It is an amenable number.

13311421504 is a deficient number, since it is larger than the sum of its proper divisors (13108069980).

13311421504 is an equidigital number, since it uses as much as digits as its factorization.

13311421504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36542 (or 36532 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 13311421504 its reverse (40512411331), we get a palindrome (53823832835).

The spelling of 13311421504 in words is "thirteen billion, three hundred eleven million, four hundred twenty-one thousand, five hundred four".