12441113661 has 8 divisors (see below), whose sum is σ = 16589965504. Its totient is φ = 8293168800.

The previous prime is 12441113653. The next prime is 12441113681. The reversal of 12441113661 is 16631114421.

12441113661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12441113661 - 2³ = 12441113653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441113611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194065 + ... + 250086.

It is an arithmetic number, because the mean of its divisors is an integer number (2073745688).

Almost surely, 2^12441113661 is an apocalyptic number.

It is an amenable number.

12441113661 is a deficient number, since it is larger than the sum of its proper divisors (4148851843).

12441113661 is an equidigital number, since it uses as much as digits as its factorization.

12441113661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453491.

The product of its digits is 3456, while the sum is 30.

The spelling of 12441113661 in words is "twelve billion, four hundred forty-one million, one hundred thirteen thousand, six hundred sixty-one".