12515300140241 has 2 divisors, whose sum is σ = 12515300140242. Its totient is φ = 12515300140240.

The previous prime is 12515300140207. The next prime is 12515300140243. The reversal of 12515300140241 is 14204100351521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6855678172225 + 5659621968016 = 2618335^2 + 2378996^2 .

It is a cyclic number.

It is not a de Polignac number, because 12515300140241 - 2¹⁰ = 12515300139217 is a prime.

Together with 12515300140243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12515300140243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257650070120 + 6257650070121.

It is an arithmetic number, because the mean of its divisors is an integer number (6257650070121).

Almost surely, 2^{12515300140241} is an apocalyptic number.

It is an amenable number.

12515300140241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12515300140241 is an equidigital number, since it uses as much as digits as its factorization.

12515300140241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 12515300140241 its reverse (14204100351521), we get a palindrome (26719400491762).

The spelling of 12515300140241 in words is "twelve trillion, five hundred fifteen billion, three hundred million, one hundred forty thousand, two hundred forty-one".