11233100133 has 6 divisors (see below), whose sum is σ = 16225589094. Its totient is φ = 7488733416.

The previous prime is 11233100129. The next prime is 11233100167. The reversal of 11233100133 is 33100133211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11117171844 + 115928289 = 105438^2 + 10767^2 .

It is not a de Polignac number, because 11233100133 - 2² = 11233100129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233100833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624061110 + ... + 624061127.

It is an arithmetic number, because the mean of its divisors is an integer number (2704264849).

Almost surely, 2^11233100133 is an apocalyptic number.

It is an amenable number.

11233100133 is a deficient number, since it is larger than the sum of its proper divisors (4992488961).

11233100133 is a wasteful number, since it uses less digits than its factorization.

11233100133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248122243 (or 1248122240 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11233100133 its reverse (33100133211), we get a palindrome (44333233344).

The spelling of 11233100133 in words is "eleven billion, two hundred thirty-three million, one hundred thousand, one hundred thirty-three".