5185118556 has 48 divisors (see below), whose sum is σ = 13473644800. Its totient is φ = 1724420016.

The previous prime is 5185118503. The next prime is 5185118557. The reversal of 5185118556 is 6558115815.

5185118556 is a `hidden beast` number, since 5 + 1 + 8 + 511 + 85 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185118557) 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, 7270 + ... + 102093.

Almost surely, 2^5185118556 is an apocalyptic number.

It is an amenable number.

5185118556 is an abundant number, since it is smaller than the sum of its proper divisors (8288526244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5185118556 is a wasteful number, since it uses less digits than its factorization.

5185118556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109815 (or 109807 counting only the distinct ones).

The product of its digits is 240000, while the sum is 45.

The square root of 5185118556 is about 72007.7673310317. The cubic root of 5185118556 is about 1730.8239535737.

It can be divided in two parts, 51851 and 18556, that added together give a palindrome (70407).

The spelling of 5185118556 in words is "five billion, one hundred eighty-five million, one hundred eighteen thousand, five hundred fifty-six".