11612334133 has 4 divisors (see below), whose sum is σ = 11859405120. Its totient is φ = 11365263148.

The previous prime is 11612334091. The next prime is 11612334199. The reversal of 11612334133 is 33143321611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11612334133 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 (11612634133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123535423 + ... + 123535516.

It is an arithmetic number, because the mean of its divisors is an integer number (2964851280).

Almost surely, 2^11612334133 is an apocalyptic number.

It is an amenable number.

11612334133 is a deficient number, since it is larger than the sum of its proper divisors (247070987).

11612334133 is an equidigital number, since it uses as much as digits as its factorization.

11612334133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247070986.

The product of its digits is 3888, while the sum is 28.

Adding to 11612334133 its reverse (33143321611), we get a palindrome (44755655744).

The spelling of 11612334133 in words is "eleven billion, six hundred twelve million, three hundred thirty-four thousand, one hundred thirty-three".