518861202020037 has 12 divisors (see below), whose sum is σ = 749987005023360. Its totient is φ = 345667087554408.

The previous prime is 518861202019997. The next prime is 518861202020041. The reversal of 518861202020037 is 730020202168815.

518861202020037 is a `hidden beast` number, since 5 + 1 + 8 + 8 + 612 + 0 + 2 + 0 + 20 + 0 + 3 + 7 = 666.

It is not a de Polignac number, because 518861202020037 - 2¹² = 518861202015941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 518861202019974 and 518861202020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518861202020047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20031691243 + ... + 20031717144.

It is an arithmetic number, because the mean of its divisors is an integer number (62498917085280).

Almost surely, 2^{518861202020037} is an apocalyptic number.

It is an amenable number.

518861202020037 is a deficient number, since it is larger than the sum of its proper divisors (231125803003323).

518861202020037 is a wasteful number, since it uses less digits than its factorization.

518861202020037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40063409832 (or 40063409829 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 518861202020037 in words is "five hundred eighteen trillion, eight hundred sixty-one billion, two hundred two million, twenty thousand, thirty-seven".