13443505534225 has 72 divisors (see below), whose sum is σ = 18282047975232. Its totient is φ = 9801189216000.

The previous prime is 13443505534201. The next prime is 13443505534253. The reversal of 13443505534225 is 52243550534431.

13443505534225 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 13443505534225 - 2¹⁹ = 13443505009937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 103925287 + ... + 104054563.

Almost surely, 2^{13443505534225} is an apocalyptic number.

It is an amenable number.

13443505534225 is a deficient number, since it is larger than the sum of its proper divisors (4838542441007).

13443505534225 is a wasteful number, since it uses less digits than its factorization.

13443505534225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129627 (or 129609 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 46.

The spelling of 13443505534225 in words is "thirteen trillion, four hundred forty-three billion, five hundred five million, five hundred thirty-four thousand, two hundred twenty-five".