13520304211432 has 64 divisors (see below), whose sum is σ = 26672841493200. Its totient is φ = 6416513832960.

The previous prime is 13520304211387. The next prime is 13520304211457. The reversal of 13520304211432 is 23411240302531.

13520304211432 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 8 ways, for example, as 293800857156 + 13226503354276 = 542034^2 + 3636826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13520304211394 and 13520304211403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186530494 + ... + 186602962.

Almost surely, 2^{13520304211432} is an apocalyptic number.

It is an amenable number.

13520304211432 is a deficient number, since it is larger than the sum of its proper divisors (13152537281768).

13520304211432 is a wasteful number, since it uses less digits than its factorization.

13520304211432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87926 (or 87922 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 13520304211432 its reverse (23411240302531), we get a palindrome (36931544513963).

The spelling of 13520304211432 in words is "thirteen trillion, five hundred twenty billion, three hundred four million, two hundred eleven thousand, four hundred thirty-two".