13104120848857 has 2 divisors, whose sum is σ = 13104120848858. Its totient is φ = 13104120848856.

The previous prime is 13104120848807. The next prime is 13104120848879. The reversal of 13104120848857 is 75884802140131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10846641643776 + 2257479205081 = 3293424^2 + 1502491^2 .

It is a cyclic number.

It is not a de Polignac number, because 13104120848857 - 2²⁷ = 13103986631129 is a prime.

It is not a weakly prime, because it can be changed into another prime (13104120848807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552060424428 + 6552060424429.

It is an arithmetic number, because the mean of its divisors is an integer number (6552060424429).

Almost surely, 2^{13104120848857} is an apocalyptic number.

It is an amenable number.

13104120848857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13104120848857 is an equidigital number, since it uses as much as digits as its factorization.

13104120848857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1720320, while the sum is 52.

Adding to 13104120848857 its reverse (75884802140131), we get a palindrome (88988922988988).

The spelling of 13104120848857 in words is "thirteen trillion, one hundred four billion, one hundred twenty million, eight hundred forty-eight thousand, eight hundred fifty-seven".