2111402854352 has 80 divisors (see below), whose sum is σ = 4483766145600. Its totient is φ = 955214008320.

The previous prime is 2111402854349. The next prime is 2111402854397. The reversal of 2111402854352 is 2534582041112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45267299 + ... + 45313917.

It is an arithmetic number, because the mean of its divisors is an integer number (56047076820).

Almost surely, 2^{2111402854352} is an apocalyptic number.

2111402854352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111402854352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2241883072800).

2111402854352 is an abundant number, since it is smaller than the sum of its proper divisors (2372363291248).

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

2111402854352 is a wasteful number, since it uses less digits than its factorization.

2111402854352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47844 (or 47838 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

Adding to 2111402854352 its reverse (2534582041112), we get a palindrome (4645984895464).

The spelling of 2111402854352 in words is "two trillion, one hundred eleven billion, four hundred two million, eight hundred fifty-four thousand, three hundred fifty-two".