2105544052043 has 2 divisors, whose sum is σ = 2105544052044. Its totient is φ = 2105544052042.

The previous prime is 2105544052033. The next prime is 2105544052123. The reversal of 2105544052043 is 3402504455012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2105544052043 - 2²² = 2105539857739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2105544051994 and 2105544052012.

It is not a weakly prime, because it can be changed into another prime (2105544052033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052772026021 + 1052772026022.

It is an arithmetic number, because the mean of its divisors is an integer number (1052772026022).

Almost surely, 2^{2105544052043} is an apocalyptic number.

2105544052043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105544052043 is an equidigital number, since it uses as much as digits as its factorization.

2105544052043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 2105544052043 in words is "two trillion, one hundred five billion, five hundred forty-four million, fifty-two thousand, forty-three".