12735323665611 has 4 divisors (see below), whose sum is σ = 16980431554152. Its totient is φ = 8490215777072.

The previous prime is 12735323665591. The next prime is 12735323665627. The reversal of 12735323665611 is 11656632353721.

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 12735323665611 - 2¹⁴ = 12735323649227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12735323665661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122553944266 + ... + 2122553944271.

It is an arithmetic number, because the mean of its divisors is an integer number (4245107888538).

Almost surely, 2^{12735323665611} is an apocalyptic number.

12735323665611 is a deficient number, since it is larger than the sum of its proper divisors (4245107888541).

12735323665611 is an equidigital number, since it uses as much as digits as its factorization.

12735323665611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245107888540.

The product of its digits is 4082400, while the sum is 51.

The spelling of 12735323665611 in words is "twelve trillion, seven hundred thirty-five billion, three hundred twenty-three million, six hundred sixty-five thousand, six hundred eleven".