11533255 has 4 divisors (see below), whose sum is σ = 13839912. Its totient is φ = 9226600.

The previous prime is 11533253. The next prime is 11533273. The reversal of 11533255 is 55233511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55233511 = 23 ⋅2401457.

It is not a de Polignac number, because 11533255 - 2¹ = 11533253 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 (11533253) 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, 1153321 + ... + 1153330.

It is an arithmetic number, because the mean of its divisors is an integer number (3459978).

Almost surely, 2^11533255 is an apocalyptic number.

11533255 is a deficient number, since it is larger than the sum of its proper divisors (2306657).

11533255 is an equidigital number, since it uses as much as digits as its factorization.

11533255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306656.

The product of its digits is 2250, while the sum is 25.

The square root of 11533255 is about 3396.0646342495. The cubic root of 11533255 is about 225.9352347898.

Adding to 11533255 its reverse (55233511), we get a palindrome (66766766).

The spelling of 11533255 in words is "eleven million, five hundred thirty-three thousand, two hundred fifty-five".