2144101204504 has 128 divisors (see below), whose sum is σ = 5055528960000. Its totient is φ = 831790477440.

The previous prime is 2144101204501. The next prime is 2144101204517. The reversal of 2144101204504 is 4054021014412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144101204501) 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 31 ways as a sum of consecutive naturals, for example, 2194317 + ... + 3017155.

It is an arithmetic number, because the mean of its divisors is an integer number (39496320000).

Almost surely, 2^{2144101204504} 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 2144101204504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2527764480000).

2144101204504 is an abundant number, since it is smaller than the sum of its proper divisors (2911427755496).

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

2144101204504 is a wasteful number, since it uses less digits than its factorization.

2144101204504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822981 (or 822977 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 2144101204504 its reverse (4054021014412), we get a palindrome (6198122218916).

The spelling of 2144101204504 in words is "two trillion, one hundred forty-four billion, one hundred one million, two hundred four thousand, five hundred four".