2111535205343 has 4 divisors (see below), whose sum is σ = 2122253658360. Its totient is φ = 2100816752328.

The previous prime is 2111535205319. The next prime is 2111535205349. The reversal of 2111535205343 is 3435025351112.

It is a happy number.

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 2111535205343 - 2¹⁶ = 2111535139807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111535205349) 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, 5359226213 + ... + 5359226606.

It is an arithmetic number, because the mean of its divisors is an integer number (530563414590).

Almost surely, 2^{2111535205343} is an apocalyptic number.

2111535205343 is a deficient number, since it is larger than the sum of its proper divisors (10718453017).

2111535205343 is a wasteful number, since it uses less digits than its factorization.

2111535205343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718453016.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 2111535205343 in words is "two trillion, one hundred eleven billion, five hundred thirty-five million, two hundred five thousand, three hundred forty-three".