2111534411 has 16 divisors (see below), whose sum is σ = 2465342400. Its totient is φ = 1807747200.

The previous prime is 2111534371. The next prime is 2111534443. The reversal of 2111534411 is 1144351112.

It is not a de Polignac number, because 2111534411 - 2¹⁴ = 2111518027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111534471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331961 + ... + 338261.

It is an arithmetic number, because the mean of its divisors is an integer number (154083900).

Almost surely, 2^2111534411 is an apocalyptic number.

2111534411 is a deficient number, since it is larger than the sum of its proper divisors (353807989).

2111534411 is an frugal number, since it uses more digits than its factorization.

2111534411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299 (or 7285 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 2111534411 is about 45951.4353529898. The cubic root of 2111534411 is about 1282.9194452273.

Adding to 2111534411 its reverse (1144351112), we get a palindrome (3255885523).

The spelling of 2111534411 in words is "two billion, one hundred eleven million, five hundred thirty-four thousand, four hundred eleven".