12454116543 has 72 divisors (see below), whose sum is σ = 20294033760. Its totient is φ = 7351344000.

The previous prime is 12454116533. The next prime is 12454116569. The reversal of 12454116543 is 34561145421.

12454116543 is a `hidden beast` number, since 1 + 2 + 454 + 1 + 165 + 43 = 666.

It is not a de Polignac number, because 12454116543 - 2⁴ = 12454116527 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12454116498 and 12454116507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454116503) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8714553 + ... + 8715981.

It is an arithmetic number, because the mean of its divisors is an integer number (281861580).

Almost surely, 2^12454116543 is an apocalyptic number.

12454116543 is a deficient number, since it is larger than the sum of its proper divisors (7839917217).

12454116543 is a wasteful number, since it uses less digits than its factorization.

12454116543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1647 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 12454116543 in words is "twelve billion, four hundred fifty-four million, one hundred sixteen thousand, five hundred forty-three".