2043521023105 has 16 divisors (see below), whose sum is σ = 2562823347840. Its totient is φ = 1561305829248.

The previous prime is 2043521023097. The next prime is 2043521023123. The reversal of 2043521023105 is 5013201253402.

It is a cyclic number.

It is not a de Polignac number, because 2043521023105 - 2³ = 2043521023097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13743900 + ... + 13891789.

It is an arithmetic number, because the mean of its divisors is an integer number (160176459240).

Almost surely, 2^{2043521023105} is an apocalyptic number.

It is an amenable number.

2043521023105 is a deficient number, since it is larger than the sum of its proper divisors (519302324735).

2043521023105 is a wasteful number, since it uses less digits than its factorization.

2043521023105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27636360.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 2043521023105 its reverse (5013201253402), we get a palindrome (7056722276507).

The spelling of 2043521023105 in words is "two trillion, forty-three billion, five hundred twenty-one million, twenty-three thousand, one hundred five".