6123118021513 has 2 divisors, whose sum is σ = 6123118021514. Its totient is φ = 6123118021512.

The previous prime is 6123118021421. The next prime is 6123118021519. The reversal of 6123118021513 is 3151208113216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5323896325449 + 799221696064 = 2307357^2 + 893992^2 .

It is a cyclic number.

It is not a de Polignac number, because 6123118021513 - 2²⁵ = 6123084467081 is a prime.

It is not a weakly prime, because it can be changed into another prime (6123118021519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3061559010756 + 3061559010757.

It is an arithmetic number, because the mean of its divisors is an integer number (3061559010757).

Almost surely, 2^{6123118021513} is an apocalyptic number.

It is an amenable number.

6123118021513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6123118021513 is an equidigital number, since it uses as much as digits as its factorization.

6123118021513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 6123118021513 in words is "six trillion, one hundred twenty-three billion, one hundred eighteen million, twenty-one thousand, five hundred thirteen".