2143115244544 has 132 divisors (see below), whose sum is σ = 4529831715552. Its totient is φ = 1012855173120.

The previous prime is 2143115244527. The next prime is 2143115244577. The reversal of 2143115244544 is 4454425113412.

It is a junction number, because it is equal to n+sod(n) for n = 2143115244497 and 2143115244506.

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 11 ways as a sum of consecutive naturals, for example, 42289429 + ... + 42340075.

It is an arithmetic number, because the mean of its divisors is an integer number (34316906936).

Almost surely, 2^{2143115244544} 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 2143115244544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2264915857776).

2143115244544 is an abundant number, since it is smaller than the sum of its proper divisors (2386716471008).

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

2143115244544 is an equidigital number, since it uses as much as digits as its factorization.

2143115244544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50772 (or 50723 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

The spelling of 2143115244544 in words is "two trillion, one hundred forty-three billion, one hundred fifteen million, two hundred forty-four thousand, five hundred forty-four".