11172255 has 8 divisors (see below), whose sum is σ = 17875632. Its totient is φ = 5958528.

The previous prime is 11172253. The next prime is 11172257. The reversal of 11172255 is 55227111.

It is an interprime number because it is at equal distance from previous prime (11172253) and next prime (11172257).

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

It is not a de Polignac number, because 11172255 - 2¹ = 11172253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11172251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372394 + ... + 372423.

It is an arithmetic number, because the mean of its divisors is an integer number (2234454).

Almost surely, 2^11172255 is an apocalyptic number.

11172255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11172255 is a deficient number, since it is larger than the sum of its proper divisors (6703377).

11172255 is an equidigital number, since it uses as much as digits as its factorization.

11172255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744825.

The product of its digits is 700, while the sum is 24.

The square root of 11172255 is about 3342.4923335739. The cubic root of 11172255 is about 223.5528855026.

Adding to 11172255 its reverse (55227111), we get a palindrome (66399366).

The spelling of 11172255 in words is "eleven million, one hundred seventy-two thousand, two hundred fifty-five".