11321255 has 16 divisors (see below), whose sum is σ = 15168384. Its totient is φ = 8040480.

The previous prime is 11321251. The next prime is 11321257. The reversal of 11321255 is 55212311.

It is a happy number.

It is not a de Polignac number, because 11321255 - 2² = 11321251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321251) 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, 29 + ... + 4758.

It is an arithmetic number, because the mean of its divisors is an integer number (948024).

Almost surely, 2^11321255 is an apocalyptic number.

11321255 is a deficient number, since it is larger than the sum of its proper divisors (3847129).

11321255 is a wasteful number, since it uses less digits than its factorization.

11321255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846.

The product of its digits is 300, while the sum is 20.

The square root of 11321255 is about 3364.7072680993. The cubic root of 11321255 is about 224.5423124166.

Adding to 11321255 its reverse (55212311), we get a palindrome (66533566).

The spelling of 11321255 in words is "eleven million, three hundred twenty-one thousand, two hundred fifty-five".