12513890151461 has 2 divisors, whose sum is σ = 12513890151462. Its totient is φ = 12513890151460.

The previous prime is 12513890151383. The next prime is 12513890151533. The reversal of 12513890151461 is 16415109831521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7605427746436 + 4908462405025 = 2757794^2 + 2215505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12513890151461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12513890153461) 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, 6256945075730 + 6256945075731.

It is an arithmetic number, because the mean of its divisors is an integer number (6256945075731).

Almost surely, 2^{12513890151461} is an apocalyptic number.

It is an amenable number.

12513890151461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513890151461 is an equidigital number, since it uses as much as digits as its factorization.

12513890151461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 47.

Adding to 12513890151461 its reverse (16415109831521), we get a palindrome (28928999982982).

The spelling of 12513890151461 in words is "twelve trillion, five hundred thirteen billion, eight hundred ninety million, one hundred fifty-one thousand, four hundred sixty-one".