11533689113 has 4 divisors (see below), whose sum is σ = 11533932900. Its totient is φ = 11533445328.

The previous prime is 11533689103. The next prime is 11533689121. The reversal of 11533689113 is 31198633511.

11533689113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31198633511 = 47 ⋅663800713.

It can be written as a sum of positive squares in 2 ways, for example, as 8898714889 + 2634974224 = 94333^2 + 51332^2 .

It is a cyclic number.

It is not a de Polignac number, because 11533689113 - 2¹⁸ = 11533426969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11533689103) 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 in 3 ways as a sum of consecutive naturals, for example, 25538 + ... + 154011.

It is an arithmetic number, because the mean of its divisors is an integer number (2883483225).

Almost surely, 2^11533689113 is an apocalyptic number.

It is an amenable number.

11533689113 is a deficient number, since it is larger than the sum of its proper divisors (243787).

11533689113 is an equidigital number, since it uses as much as digits as its factorization.

11533689113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243786.

The product of its digits is 58320, while the sum is 41.

The spelling of 11533689113 in words is "eleven billion, five hundred thirty-three million, six hundred eighty-nine thousand, one hundred thirteen".