5118658991844 has 12 divisors (see below), whose sum is σ = 11943537647664. Its totient is φ = 1706219663944.

The previous prime is 5118658991839. The next prime is 5118658991851. The reversal of 5118658991844 is 4481998568115.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213277457982 + ... + 213277458005.

It is an arithmetic number, because the mean of its divisors is an integer number (995294803972).

Almost surely, 2^{5118658991844} is an apocalyptic number.

It is an amenable number.

5118658991844 is an abundant number, since it is smaller than the sum of its proper divisors (6824878655820).

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

5118658991844 is a wasteful number, since it uses less digits than its factorization.

5118658991844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426554915994 (or 426554915992 counting only the distinct ones).

The product of its digits is 99532800, while the sum is 69.

The spelling of 5118658991844 in words is "five trillion, one hundred eighteen billion, six hundred fifty-eight million, nine hundred ninety-one thousand, eight hundred forty-four".