11231135 has 16 divisors (see below), whose sum is σ = 14478912. Its totient is φ = 8332800.

The previous prime is 11231119. The next prime is 11231141. The reversal of 11231135 is 53113211.

It is not a de Polignac number, because 11231135 - 2⁴ = 11231119 is a prime.

It is a super-2 number, since 2×11231135² = 252276786776450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5105 + ... + 6965.

It is an arithmetic number, because the mean of its divisors is an integer number (904932).

Almost surely, 2^11231135 is an apocalyptic number.

11231135 is a deficient number, since it is larger than the sum of its proper divisors (3247777).

11231135 is a wasteful number, since it uses less digits than its factorization.

11231135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954.

The product of its digits is 90, while the sum is 17.

The square root of 11231135 is about 3351.2885581519. The cubic root of 11231135 is about 223.9449202904.

Adding to 11231135 its reverse (53113211), we get a palindrome (64344346).

The spelling of 11231135 in words is "eleven million, two hundred thirty-one thousand, one hundred thirty-five".