518104055297 has 2 divisors, whose sum is σ = 518104055298. Its totient is φ = 518104055296.

The previous prime is 518104055243. The next prime is 518104055309. The reversal of 518104055297 is 792550401815.

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., 512192136976 + 5911918321 = 715676^2 + 76889^2 .

It is a cyclic number.

It is not a de Polignac number, because 518104055297 - 2²⁰ = 518103006721 is a prime.

It is not a weakly prime, because it can be changed into another prime (518104055237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259052027648 + 259052027649.

It is an arithmetic number, because the mean of its divisors is an integer number (259052027649).

Almost surely, 2^518104055297 is an apocalyptic number.

It is an amenable number.

518104055297 is a deficient number, since it is larger than the sum of its proper divisors (1).

518104055297 is an equidigital number, since it uses as much as digits as its factorization.

518104055297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 518104055297 in words is "five hundred eighteen billion, one hundred four million, fifty-five thousand, two hundred ninety-seven".