12426253365543 has 8 divisors (see below), whose sum is σ = 16573027429488. Its totient is φ = 8281824105984.

The previous prime is 12426253365517. The next prime is 12426253365601. The reversal of 12426253365543 is 34556335262421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12426253365543 - 2⁶ = 12426253365479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426253345543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586188730 + ... + 586209927.

It is an arithmetic number, because the mean of its divisors is an integer number (2071628428686).

Almost surely, 2^{12426253365543} is an apocalyptic number.

12426253365543 is a deficient number, since it is larger than the sum of its proper divisors (4146774063945).

12426253365543 is a wasteful number, since it uses less digits than its factorization.

12426253365543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172402193.

The product of its digits is 15552000, while the sum is 51.

The spelling of 12426253365543 in words is "twelve trillion, four hundred twenty-six billion, two hundred fifty-three million, three hundred sixty-five thousand, five hundred forty-three".