518873160425 has 12 divisors (see below), whose sum is σ = 643489231836. Its totient is φ = 415042713600.

The previous prime is 518873160413. The next prime is 518873160451. The reversal of 518873160425 is 524061378815.

It can be written as a sum of positive squares in 6 ways, for example, as 174801756649 + 344071403776 = 418093^2 + 586576^2 .

It is not a de Polignac number, because 518873160425 - 2⁶ = 518873160361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 1205216 + ... + 1578065.

It is an arithmetic number, because the mean of its divisors is an integer number (53624102653).

Almost surely, 2^518873160425 is an apocalyptic number.

It is an amenable number.

518873160425 is a deficient number, since it is larger than the sum of its proper divisors (124616071411).

518873160425 is a wasteful number, since it uses less digits than its factorization.

518873160425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790748 (or 2790743 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 518873160425 in words is "five hundred eighteen billion, eight hundred seventy-three million, one hundred sixty thousand, four hundred twenty-five".