2215542521024 has 112 divisors (see below), whose sum is σ = 5153775149376. Its totient is φ = 925154918400.

The previous prime is 2215542520981. The next prime is 2215542521063. The reversal of 2215542521024 is 4201252455122.

It is a happy number.

2215542521024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14120444 + ... + 14276484.

It is an arithmetic number, because the mean of its divisors is an integer number (46015849548).

Almost surely, 2^{2215542521024} 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 2215542521024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2576887574688).

2215542521024 is an abundant number, since it is smaller than the sum of its proper divisors (2938232628352).

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

2215542521024 is a wasteful number, since it uses less digits than its factorization.

2215542521024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156874 (or 156864 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 2215542521024 its reverse (4201252455122), we get a palindrome (6416794976146).

The spelling of 2215542521024 in words is "two trillion, two hundred fifteen billion, five hundred forty-two million, five hundred twenty-one thousand, twenty-four".