12455541543 has 8 divisors (see below), whose sum is σ = 16650082800. Its totient is φ = 8282347328.

The previous prime is 12455541533. The next prime is 12455541563. The reversal of 12455541543 is 34514555421.

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

It is a cyclic number.

It is not a de Polignac number, because 12455541543 - 2²² = 12451347239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455541533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5335398 + ... + 5337731.

It is an arithmetic number, because the mean of its divisors is an integer number (2081260350).

Almost surely, 2^12455541543 is an apocalyptic number.

12455541543 is a deficient number, since it is larger than the sum of its proper divisors (4194541257).

12455541543 is a wasteful number, since it uses less digits than its factorization.

12455541543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673521.

The product of its digits is 240000, while the sum is 39.

The spelling of 12455541543 in words is "twelve billion, four hundred fifty-five million, five hundred forty-one thousand, five hundred forty-three".