12775824241 has 4 divisors (see below), whose sum is σ = 13527343332. Its totient is φ = 12024305152.

The previous prime is 12775824221. The next prime is 12775824251. The reversal of 12775824241 is 14242857721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6706791025 + 6069033216 = 81895^2 + 77904^2 .

It is a cyclic number.

It is not a de Polignac number, because 12775824241 - 2⁹ = 12775823729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12775824221) 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, 375759520 + ... + 375759553.

It is an arithmetic number, because the mean of its divisors is an integer number (3381835833).

Almost surely, 2^12775824241 is an apocalyptic number.

It is an amenable number.

12775824241 is a deficient number, since it is larger than the sum of its proper divisors (751519091).

12775824241 is an equidigital number, since it uses as much as digits as its factorization.

12775824241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751519090.

The product of its digits is 250880, while the sum is 43.

The spelling of 12775824241 in words is "twelve billion, seven hundred seventy-five million, eight hundred twenty-four thousand, two hundred forty-one".