5181885356268 has 54 divisors (see below), whose sum is σ = 12640063211692. Its totient is φ = 1652137503280.

The previous prime is 5181885356261. The next prime is 5181885356269. The reversal of 5181885356268 is 8626535881815.

It is a junction number, because it is equal to n+sod(n) for n = 5181885356199 and 5181885356208.

It is not an unprimeable number, because it can be changed into a prime (5181885356261) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 181354423 + ... + 181382993.

Almost surely, 2^{5181885356268} is an apocalyptic number.

It is an amenable number.

5181885356268 is an abundant number, since it is smaller than the sum of its proper divisors (7458177855424).

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

5181885356268 is an frugal number, since it uses more digits than its factorization.

5181885356268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57195 (or 28599 counting only the distinct ones).

The product of its digits is 110592000, while the sum is 66.

The spelling of 5181885356268 in words is "five trillion, one hundred eighty-one billion, eight hundred eighty-five million, three hundred fifty-six thousand, two hundred sixty-eight".