518055005 has 16 divisors (see below), whose sum is σ = 680466864. Its totient is φ = 376289280.

The previous prime is 518054983. The next prime is 518055017. The reversal of 518055005 is 500550815.

It can be written as a sum of positive squares in 8 ways, for example, as 113763556 + 404291449 = 10666^2 + 20107^2 .

It is not a de Polignac number, because 518055005 - 2⁸ = 518054749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61364 + ... + 69293.

It is an arithmetic number, because the mean of its divisors is an integer number (42529179).

Almost surely, 2^518055005 is an apocalyptic number.

It is an amenable number.

518055005 is a deficient number, since it is larger than the sum of its proper divisors (162411859).

518055005 is a wasteful number, since it uses less digits than its factorization.

518055005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130736.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 518055005 is about 22760.8217118803. The cubic root of 518055005 is about 803.1412976046.

The spelling of 518055005 in words is "five hundred eighteen million, fifty-five thousand, five".