11133233109 has 16 divisors (see below), whose sum is σ = 16515907200. Its totient is φ = 7412152608.

The previous prime is 11133233101. The next prime is 11133233113. The reversal of 11133233109 is 90133233111.

11133233109 is a `hidden beast` number, since 1 + 11 + 332 + 3 + 310 + 9 = 666.

It is not a de Polignac number, because 11133233109 - 2³ = 11133233101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133233101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257424 + ... + 297545.

It is an arithmetic number, because the mean of its divisors is an integer number (1032244200).

Almost surely, 2^11133233109 is an apocalyptic number.

It is an amenable number.

11133233109 is a deficient number, since it is larger than the sum of its proper divisors (5382674091).

11133233109 is an equidigital number, since it uses as much as digits as its factorization.

11133233109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555721 (or 555715 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

It can be divided in two parts, 111332 and 33109, that added together give a palindrome (144441).

The spelling of 11133233109 in words is "eleven billion, one hundred thirty-three million, two hundred thirty-three thousand, one hundred nine".