2118180113568 has 144 divisors (see below), whose sum is σ = 6341469432480. Its totient is φ = 668807788032.

The previous prime is 2118180113537. The next prime is 2118180113593. The reversal of 2118180113568 is 8653110818112.

2118180113568 is a `hidden beast` number, since 2 + 1 + 1 + 8 + 1 + 80 + 1 + 1 + 3 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48148030 + ... + 48192002.

It is an arithmetic number, because the mean of its divisors is an integer number (44037982170).

Almost surely, 2^{2118180113568} 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 2118180113568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3170734716240).

2118180113568 is an abundant number, since it is smaller than the sum of its proper divisors (4223289318912).

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

2118180113568 is a wasteful number, since it uses less digits than its factorization.

2118180113568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52811 (or 52800 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The spelling of 2118180113568 in words is "two trillion, one hundred eighteen billion, one hundred eighty million, one hundred thirteen thousand, five hundred sixty-eight".