518120085 has 16 divisors (see below), whose sum is σ = 947419776. Its totient is φ = 236854848.

The previous prime is 518120059. The next prime is 518120087. The reversal of 518120085 is 580021815.

It is not a de Polignac number, because 518120085 - 2⁶ = 518120021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518120087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467134 + ... + 2467343.

It is an arithmetic number, because the mean of its divisors is an integer number (59213736).

Almost surely, 2^518120085 is an apocalyptic number.

It is an amenable number.

518120085 is a deficient number, since it is larger than the sum of its proper divisors (429299691).

518120085 is a wasteful number, since it uses less digits than its factorization.

518120085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934492.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 518120085 is about 22762.2513165987. The cubic root of 518120085 is about 803.1749273972.

The spelling of 518120085 in words is "five hundred eighteen million, one hundred twenty thousand, eighty-five".