12455313543 has 10 divisors (see below), whose sum is σ = 18606085784. Its totient is φ = 8303542308.

The previous prime is 12455313491. The next prime is 12455313581. The reversal of 12455313543 is 34531355421.

12455313543 is a `hidden beast` number, since 12 + 45 + 53 + 13 + 543 = 666.

It is not a de Polignac number, because 12455313543 - 2¹⁴ = 12455297159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12455313498 and 12455313507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455313593) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76884571 + ... + 76884732.

Almost surely, 2^12455313543 is an apocalyptic number.

12455313543 is a deficient number, since it is larger than the sum of its proper divisors (6150772241).

12455313543 is an equidigital number, since it uses as much as digits as its factorization.

12455313543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153769315 (or 153769306 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 12455313543 its reverse (34531355421), we get a palindrome (46986668964).

The spelling of 12455313543 in words is "twelve billion, four hundred fifty-five million, three hundred thirteen thousand, five hundred forty-three".