2118188130084 has 144 divisors (see below), whose sum is σ = 5911033040640. Its totient is φ = 635400046080.

The previous prime is 2118188130083. The next prime is 2118188130103. The reversal of 2118188130084 is 4800318818112.

It is not an unprimeable number, because it can be changed into a prime (2118188130083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27342597 + ... + 27419955.

It is an arithmetic number, because the mean of its divisors is an integer number (41048840560).

Almost surely, 2^{2118188130084} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2118188130084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2955516520320).

2118188130084 is an abundant number, since it is smaller than the sum of its proper divisors (3792844910556).

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

2118188130084 is a wasteful number, since it uses less digits than its factorization.

2118188130084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78850 (or 78845 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 45.

The spelling of 2118188130084 in words is "two trillion, one hundred eighteen billion, one hundred eighty-eight million, one hundred thirty thousand, eighty-four".