2103505320543 has 16 divisors (see below), whose sum is σ = 3062458914816. Its totient is φ = 1273678871040.

The previous prime is 2103505320529. The next prime is 2103505320569. The reversal of 2103505320543 is 3450235053012.

It is not a de Polignac number, because 2103505320543 - 2²⁵ = 2103471766111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103505320523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29284546 + ... + 29356287.

It is an arithmetic number, because the mean of its divisors is an integer number (191403682176).

Almost surely, 2^{2103505320543} is an apocalyptic number.

2103505320543 is a deficient number, since it is larger than the sum of its proper divisors (958953594273).

2103505320543 is a wasteful number, since it uses less digits than its factorization.

2103505320543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58641934.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 2103505320543 in words is "two trillion, one hundred three billion, five hundred five million, three hundred twenty thousand, five hundred forty-three".