11405255 has 8 divisors (see below), whose sum is σ = 13977792. Its totient is φ = 8929888.

The previous prime is 11405243. The next prime is 11405297. The reversal of 11405255 is 55250411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11405255 - 2⁴ = 11405239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11405255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24032 + ... + 24501.

It is an arithmetic number, because the mean of its divisors is an integer number (1747224).

Almost surely, 2^11405255 is an apocalyptic number.

11405255 is a deficient number, since it is larger than the sum of its proper divisors (2572537).

11405255 is an equidigital number, since it uses as much as digits as its factorization.

11405255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48585.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 11405255 is about 3377.1667119051. The cubic root of 11405255 is about 225.0962880061.

Adding to 11405255 its reverse (55250411), we get a palindrome (66655666).

The spelling of 11405255 in words is "eleven million, four hundred five thousand, two hundred fifty-five".