13128312851 has 2 divisors, whose sum is σ = 13128312852. Its totient is φ = 13128312850.

The previous prime is 13128312829. The next prime is 13128312863. The reversal of 13128312851 is 15821382131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13128312851 - 2¹⁰ = 13128311827 is a prime.

It is not a weakly prime, because it can be changed into another prime (13128312811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6564156425 + 6564156426.

It is an arithmetic number, because the mean of its divisors is an integer number (6564156426).

Almost surely, 2^13128312851 is an apocalyptic number.

13128312851 is a deficient number, since it is larger than the sum of its proper divisors (1).

13128312851 is an equidigital number, since it uses as much as digits as its factorization.

13128312851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 35.

Adding to 13128312851 its reverse (15821382131), we get a palindrome (28949694982).

The spelling of 13128312851 in words is "thirteen billion, one hundred twenty-eight million, three hundred twelve thousand, eight hundred fifty-one".