15852121200241 has 2 divisors, whose sum is σ = 15852121200242. Its totient is φ = 15852121200240.

The previous prime is 15852121200193. The next prime is 15852121200301. The reversal of 15852121200241 is 14200212125851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8392585824016 + 7459535376225 = 2896996^2 + 2731215^2 .

It is a cyclic number.

It is not a de Polignac number, because 15852121200241 - 2¹³ = 15852121192049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15852121200197 and 15852121200206.

It is not a weakly prime, because it can be changed into another prime (15852121200941) 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, 7926060600120 + 7926060600121.

It is an arithmetic number, because the mean of its divisors is an integer number (7926060600121).

Almost surely, 2^{15852121200241} is an apocalyptic number.

It is an amenable number.

15852121200241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15852121200241 is an equidigital number, since it uses as much as digits as its factorization.

15852121200241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 34.

The spelling of 15852121200241 in words is "fifteen trillion, eight hundred fifty-two billion, one hundred twenty-one million, two hundred thousand, two hundred forty-one".