12543354560361 has 8 divisors (see below), whose sum is σ = 17080312593024. Its totient is φ = 8184316450640.

The previous prime is 12543354560353. The next prime is 12543354560377. The reversal of 12543354560361 is 16306545334521.

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 12543354560361 - 2³ = 12543354560353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12543354560361.

It is not an unprimeable number, because it can be changed into a prime (12543354560161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44479980570 + ... + 44479980851.

It is an arithmetic number, because the mean of its divisors is an integer number (2135039074128).

Almost surely, 2^{12543354560361} is an apocalyptic number.

It is an amenable number.

12543354560361 is a deficient number, since it is larger than the sum of its proper divisors (4536958032663).

12543354560361 is an equidigital number, since it uses as much as digits as its factorization.

12543354560361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88959961471.

The product of its (nonzero) digits is 3888000, while the sum is 48.

Adding to 12543354560361 its reverse (16306545334521), we get a palindrome (28849899894882).

The spelling of 12543354560361 in words is "twelve trillion, five hundred forty-three billion, three hundred fifty-four million, five hundred sixty thousand, three hundred sixty-one".