12543005548 has 12 divisors (see below), whose sum is σ = 21951045760. Its totient is φ = 6271278192.

The previous prime is 12543005543. The next prime is 12543005561. The reversal of 12543005548 is 84550034521.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12543005543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178165 + ... + 238387.

Almost surely, 2^12543005548 is an apocalyptic number.

It is an amenable number.

12543005548 is a deficient number, since it is larger than the sum of its proper divisors (9408040212).

12543005548 is a wasteful number, since it uses less digits than its factorization.

12543005548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112296 (or 112294 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 12543005548 in words is "twelve billion, five hundred forty-three million, five thousand, five hundred forty-eight".