12543355141 has 16 divisors (see below), whose sum is σ = 13250075904. Its totient is φ = 11850689664.

The previous prime is 12543355093. The next prime is 12543355151. The reversal of 12543355141 is 14155334521.

It is a cyclic number.

It is not a de Polignac number, because 12543355141 - 2²⁹ = 12006484229 is a prime.

It is a super-2 number, since 2×12543355141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12543355097 and 12543355106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543355151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933825 + ... + 947161.

It is an arithmetic number, because the mean of its divisors is an integer number (828129744).

Almost surely, 2^12543355141 is an apocalyptic number.

It is an amenable number.

12543355141 is a deficient number, since it is larger than the sum of its proper divisors (706720763).

12543355141 is a wasteful number, since it uses less digits than its factorization.

12543355141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13860.

The product of its digits is 36000, while the sum is 34.

Adding to 12543355141 its reverse (14155334521), we get a palindrome (26698689662).

The spelling of 12543355141 in words is "twelve billion, five hundred forty-three million, three hundred fifty-five thousand, one hundred forty-one".