2188811959152 has 640 divisors, whose sum is σ = 7768590778368. Its totient is φ = 514573516800.

The previous prime is 2188811959141. The next prime is 2188811959193. The reversal of 2188811959152 is 2519591188812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 108180877 + ... + 108201107.

Almost surely, 2^{2188811959152} 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 2188811959152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3884295389184).

2188811959152 is an abundant number, since it is smaller than the sum of its proper divisors (5579778819216).

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

2188811959152 is a wasteful number, since it uses less digits than its factorization.

2188811959152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20357 (or 20351 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 60.

The spelling of 2188811959152 in words is "two trillion, one hundred eighty-eight billion, eight hundred eleven million, nine hundred fifty-nine thousand, one hundred fifty-two".