518130085 has 16 divisors (see below), whose sum is σ = 707771520. Its totient is φ = 360437440.

The previous prime is 518130077. The next prime is 518130121. The reversal of 518130085 is 580031815.

It is not a de Polignac number, because 518130085 - 2³ = 518130077 is a prime.

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, 203530 + ... + 206059.

It is an arithmetic number, because the mean of its divisors is an integer number (44235720).

Almost surely, 2^518130085 is an apocalyptic number.

518130085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

518130085 is a deficient number, since it is larger than the sum of its proper divisors (189641435).

518130085 is a wasteful number, since it uses less digits than its factorization.

518130085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409628.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 518130085 is about 22762.4709774664. The cubic root of 518130085 is about 803.1800946019.

The spelling of 518130085 in words is "five hundred eighteen million, one hundred thirty thousand, eighty-five".