12613111645 has 8 divisors (see below), whose sum is σ = 15251274720. Its totient is φ = 10013462160.

The previous prime is 12613111613. The next prime is 12613111649. The reversal of 12613111645 is 54611131621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12613111645 - 2⁵ = 12613111613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12613111649) 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 7 ways as a sum of consecutive naturals, for example, 9627675 + ... + 9628984.

It is an arithmetic number, because the mean of its divisors is an integer number (1906409340).

Almost surely, 2^12613111645 is an apocalyptic number.

It is an amenable number.

12613111645 is a deficient number, since it is larger than the sum of its proper divisors (2638163075).

12613111645 is a wasteful number, since it uses less digits than its factorization.

12613111645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19256795.

The product of its digits is 4320, while the sum is 31.

The spelling of 12613111645 in words is "twelve billion, six hundred thirteen million, one hundred eleven thousand, six hundred forty-five".