11132235613 has 4 divisors (see below), whose sum is σ = 11787073020. Its totient is φ = 10477398208.

The previous prime is 11132235599. The next prime is 11132235623. The reversal of 11132235613 is 31653223111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7974132804 + 3158102809 = 89298^2 + 56197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11132235613 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 (11132235623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327418678 + ... + 327418711.

It is an arithmetic number, because the mean of its divisors is an integer number (2946768255).

Almost surely, 2^11132235613 is an apocalyptic number.

It is an amenable number.

11132235613 is a deficient number, since it is larger than the sum of its proper divisors (654837407).

11132235613 is an equidigital number, since it uses as much as digits as its factorization.

11132235613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654837406.

The product of its digits is 3240, while the sum is 28.

Adding to 11132235613 its reverse (31653223111), we get a palindrome (42785458724).

The spelling of 11132235613 in words is "eleven billion, one hundred thirty-two million, two hundred thirty-five thousand, six hundred thirteen".