12641071041 has 6 divisors (see below), whose sum is σ = 18259324850. Its totient is φ = 8427380688.

The previous prime is 12641070977. The next prime is 12641071043. The reversal of 12641071041 is 14017014621.

12641071041 is a `hidden beast` number, since 1 + 2 + 641 + 0 + 7 + 10 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6479606016 + 6161465025 = 80496^2 + 78495^2 .

It is not a de Polignac number, because 12641071041 - 2⁶ = 12641070977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12641070996 and 12641071014.

It is not an unprimeable number, because it can be changed into a prime (12641071043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 702281716 + ... + 702281733.

Almost surely, 2^12641071041 is an apocalyptic number.

It is an amenable number.

12641071041 is a deficient number, since it is larger than the sum of its proper divisors (5618253809).

12641071041 is a wasteful number, since it uses less digits than its factorization.

12641071041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404563455 (or 1404563452 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

Adding to 12641071041 its reverse (14017014621), we get a palindrome (26658085662).

The spelling of 12641071041 in words is "twelve billion, six hundred forty-one million, seventy-one thousand, forty-one".