12441655361 has 2 divisors, whose sum is σ = 12441655362. Its totient is φ = 12441655360.

The previous prime is 12441655357. The next prime is 12441655381. The reversal of 12441655361 is 16355614421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7120828225 + 5320827136 = 84385^2 + 72944^2 .

It is a cyclic number.

It is not a de Polignac number, because 12441655361 - 2² = 12441655357 is a prime.

It is not a weakly prime, because it can be changed into another prime (12441655381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220827680 + 6220827681.

It is an arithmetic number, because the mean of its divisors is an integer number (6220827681).

Almost surely, 2^12441655361 is an apocalyptic number.

It is an amenable number.

12441655361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12441655361 is an equidigital number, since it uses as much as digits as its factorization.

12441655361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The spelling of 12441655361 in words is "twelve billion, four hundred forty-one million, six hundred fifty-five thousand, three hundred sixty-one".