2103500540144 has 20 divisors (see below), whose sum is σ = 4076863829640. Its totient is φ = 1051406648640.

The previous prime is 2103500540111. The next prime is 2103500540149. The reversal of 2103500540144 is 4410450053012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103500540149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21425834 + ... + 21523785.

It is an arithmetic number, because the mean of its divisors is an integer number (203843191482).

Almost surely, 2^{2103500540144} is an apocalyptic number.

It is an amenable number.

2103500540144 is a deficient number, since it is larger than the sum of its proper divisors (1973363289496).

2103500540144 is a wasteful number, since it uses less digits than its factorization.

2103500540144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42952688 (or 42952682 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 2103500540144 its reverse (4410450053012), we get a palindrome (6513950593156).

The spelling of 2103500540144 in words is "two trillion, one hundred three billion, five hundred million, five hundred forty thousand, one hundred forty-four".