2105411311 has 2 divisors, whose sum is σ = 2105411312. Its totient is φ = 2105411310.

The previous prime is 2105411309. The next prime is 2105411369. The reversal of 2105411311 is 1131145012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2105411311 - 2¹ = 2105411309 is a prime.

Together with 2105411309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105411381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052705655 + 1052705656.

It is an arithmetic number, because the mean of its divisors is an integer number (1052705656).

Almost surely, 2^2105411311 is an apocalyptic number.

2105411311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105411311 is an equidigital number, since it uses as much as digits as its factorization.

2105411311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 2105411311 is about 45884.7612067449. The cubic root of 2105411311 is about 1281.6781599905.

Adding to 2105411311 its reverse (1131145012), we get a palindrome (3236556323).

The spelling of 2105411311 in words is "two billion, one hundred five million, four hundred eleven thousand, three hundred eleven".