12753178443 has 24 divisors (see below), whose sum is σ = 19100856320. Its totient is φ = 8190920880.

The previous prime is 12753178421. The next prime is 12753178457. The reversal of 12753178443 is 34487135721.

12753178443 is a `hidden beast` number, since 1 + 2 + 7 + 531 + 78 + 4 + 43 = 666.

12753178443 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 12753178443 - 2⁵ = 12753178411 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12753173443) 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 23 ways as a sum of consecutive naturals, for example, 40273 + ... + 164706.

Almost surely, 2^12753178443 is an apocalyptic number.

12753178443 is a deficient number, since it is larger than the sum of its proper divisors (6347677877).

12753178443 is a wasteful number, since it uses less digits than its factorization.

12753178443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205239 (or 205236 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 12753178443 in words is "twelve billion, seven hundred fifty-three million, one hundred seventy-eight thousand, four hundred forty-three".