2111368064 has 64 divisors (see below), whose sum is σ = 4549608000. Its totient is φ = 970217472.

The previous prime is 2111368043. The next prime is 2111368073. The reversal of 2111368064 is 4608631112.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2111368064.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 395042 + ... + 400350.

It is an arithmetic number, because the mean of its divisors is an integer number (71087625).

Almost surely, 2^2111368064 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 2111368064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2274804000).

2111368064 is an abundant number, since it is smaller than the sum of its proper divisors (2438239936).

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

2111368064 is a wasteful number, since it uses less digits than its factorization.

2111368064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575 (or 5563 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2111368064 is about 45949.6252868291. The cubic root of 2111368064 is about 1282.8857548133.

Adding to 2111368064 its reverse (4608631112), we get a palindrome (6719999176).

The spelling of 2111368064 in words is "two billion, one hundred eleven million, three hundred sixty-eight thousand, sixty-four".