12536550313043 has 4 divisors (see below), whose sum is σ = 12536900933280. Its totient is φ = 12536199692808.

The previous prime is 12536550313039. The next prime is 12536550313073. The reversal of 12536550313043 is 34031305563521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12536550313043 - 2² = 12536550313039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12536550313033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175256480 + ... + 175327997.

It is an arithmetic number, because the mean of its divisors is an integer number (3134225233320).

Almost surely, 2^{12536550313043} is an apocalyptic number.

12536550313043 is a deficient number, since it is larger than the sum of its proper divisors (350620237).

12536550313043 is an equidigital number, since it uses as much as digits as its factorization.

12536550313043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350620236.

The product of its (nonzero) digits is 486000, while the sum is 41.

Adding to 12536550313043 its reverse (34031305563521), we get a palindrome (46567855876564).

The spelling of 12536550313043 in words is "twelve trillion, five hundred thirty-six billion, five hundred fifty million, three hundred thirteen thousand, forty-three".