2105320042535 has 16 divisors (see below), whose sum is σ = 2549746404000. Its totient is φ = 1668738082176.

The previous prime is 2105320042523. The next prime is 2105320042541. The reversal of 2105320042535 is 5352400235012.

It is a cyclic number.

It is not a de Polignac number, because 2105320042535 - 2⁴ = 2105320042519 is a prime.

It is a congruent number.

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, 3263345 + ... + 3854874.

It is an arithmetic number, because the mean of its divisors is an integer number (159359150250).

Almost surely, 2^{2105320042535} is an apocalyptic number.

2105320042535 is a deficient number, since it is larger than the sum of its proper divisors (444426361465).

2105320042535 is a wasteful number, since it uses less digits than its factorization.

2105320042535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118770.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 2105320042535 its reverse (5352400235012), we get a palindrome (7457720277547).

The spelling of 2105320042535 in words is "two trillion, one hundred five billion, three hundred twenty million, forty-two thousand, five hundred thirty-five".