11133507 has 16 divisors (see below), whose sum is σ = 18508032. Its totient is φ = 5783520.

The previous prime is 11133481. The next prime is 11133539. The reversal of 11133507 is 70533111.

It is not a de Polignac number, because 11133507 - 2⁶ = 11133443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11133007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23868 + ... + 24329.

It is an arithmetic number, because the mean of its divisors is an integer number (1156752).

Almost surely, 2^11133507 is an apocalyptic number.

11133507 is a deficient number, since it is larger than the sum of its proper divisors (7374525).

11133507 is a wasteful number, since it uses less digits than its factorization.

11133507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48218.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 11133507 is about 3336.6910255521. The cubic root of 11133507 is about 223.2941415350.

Adding to 11133507 its reverse (70533111), we get a palindrome (81666618).

The spelling of 11133507 in words is "eleven million, one hundred thirty-three thousand, five hundred seven".