2105505411043 has 4 divisors (see below), whose sum is σ = 2150303398560. Its totient is φ = 2060707423528.

The previous prime is 2105505410947. The next prime is 2105505411049. The reversal of 2105505411043 is 3401145055012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2105505411043 - 2¹³ = 2105505402851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2105505410996 and 2105505411014.

It is not an unprimeable number, because it can be changed into a prime (2105505411049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22398993688 + ... + 22398993781.

It is an arithmetic number, because the mean of its divisors is an integer number (537575849640).

Almost surely, 2^{2105505411043} is an apocalyptic number.

2105505411043 is a deficient number, since it is larger than the sum of its proper divisors (44797987517).

2105505411043 is an equidigital number, since it uses as much as digits as its factorization.

2105505411043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44797987516.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 2105505411043 in words is "two trillion, one hundred five billion, five hundred five million, four hundred eleven thousand, forty-three".