11205255 has 16 divisors (see below), whose sum is σ = 18708480. Its totient is φ = 5716128.

The previous prime is 11205253. The next prime is 11205263. The reversal of 11205255 is 55250211.

11205255 = 96² + 97² + ... + 325².

It is not a de Polignac number, because 11205255 - 2¹ = 11205253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205253) 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, 15895 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (1169280).

Almost surely, 2^11205255 is an apocalyptic number.

11205255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11205255 is a deficient number, since it is larger than the sum of its proper divisors (7503225).

11205255 is a wasteful number, since it uses less digits than its factorization.

11205255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32510.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 11205255 is about 3347.4251298573. The cubic root of 11205255 is about 223.7727752687.

Adding to 11205255 its reverse (55250211), we get a palindrome (66455466).

The spelling of 11205255 in words is "eleven million, two hundred five thousand, two hundred fifty-five".