2111543396352 has 480 divisors, whose sum is σ = 7087655615040. Its totient is φ = 621442990080.

The previous prime is 2111543396323. The next prime is 2111543396357. The reversal of 2111543396352 is 2536933451112.

2111543396352 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 5 + 4 + 3 + 3 + 9 + 635 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2111543396298 and 2111543396307.

It is not an unprimeable number, because it can be changed into a prime (2111543396357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49579227 + ... + 49621797.

It is an arithmetic number, because the mean of its divisors is an integer number (14765949198).

Almost surely, 2^{2111543396352} 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 2111543396352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3543827807520).

2111543396352 is an abundant number, since it is smaller than the sum of its proper divisors (4976112218688).

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

2111543396352 is a wasteful number, since it uses less digits than its factorization.

2111543396352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42641 (or 42612 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The spelling of 2111543396352 in words is "two trillion, one hundred eleven billion, five hundred forty-three million, three hundred ninety-six thousand, three hundred fifty-two".