13531411111 has 2 divisors, whose sum is σ = 13531411112. Its totient is φ = 13531411110.

The previous prime is 13531411057. The next prime is 13531411121. The reversal of 13531411111 is 11111413531.

13531411111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13531411111 - 2⁷ = 13531410983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531411121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765705555 + 6765705556.

It is an arithmetic number, because the mean of its divisors is an integer number (6765705556).

Almost surely, 2^13531411111 is an apocalyptic number.

13531411111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531411111 is an equidigital number, since it uses as much as digits as its factorization.

13531411111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 22.

Adding to 13531411111 its reverse (11111413531), we get a palindrome (24642824642).

The spelling of 13531411111 in words is "thirteen billion, five hundred thirty-one million, four hundred eleven thousand, one hundred eleven".