13855320004241 has 2 divisors, whose sum is σ = 13855320004242. Its totient is φ = 13855320004240.

The previous prime is 13855320004199. The next prime is 13855320004297. The reversal of 13855320004241 is 14240002355831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13270101124225 + 585218880016 = 3642815^2 + 764996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13855320004241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13855320004195 and 13855320004204.

It is not a weakly prime, because it can be changed into another prime (13855320004441) 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 as a sum of consecutive naturals, namely, 6927660002120 + 6927660002121.

It is an arithmetic number, because the mean of its divisors is an integer number (6927660002121).

Almost surely, 2^{13855320004241} is an apocalyptic number.

It is an amenable number.

13855320004241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13855320004241 is an equidigital number, since it uses as much as digits as its factorization.

13855320004241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 13855320004241 in words is "thirteen trillion, eight hundred fifty-five billion, three hundred twenty million, four thousand, two hundred forty-one".