2153483821056 has 224 divisors, whose sum is σ = 5846324664960. Its totient is φ = 704889225216.

The previous prime is 2153483821037. The next prime is 2153483821057. The reversal of 2153483821056 is 6501283843512.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2153483820996 and 2153483821014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153483821057) 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 15 ways as a sum of consecutive naturals, for example, 571365540 + ... + 571369308.

Almost surely, 2^{2153483821056} 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 2153483821056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923162332480).

2153483821056 is an abundant number, since it is smaller than the sum of its proper divisors (3692840843904).

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

2153483821056 is an equidigital number, since it uses as much as digits as its factorization.

2153483821056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212 (or 4188 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 2153483821056 in words is "two trillion, one hundred fifty-three billion, four hundred eighty-three million, eight hundred twenty-one thousand, fifty-six".