11272191 has 8 divisors (see below), whose sum is σ = 17176704. Its totient is φ = 6441240.

The previous prime is 11272181. The next prime is 11272193. The reversal of 11272191 is 19127211.

11272191 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11272191 - 2¹³ = 11263999 is a prime.

It is a plaindrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272193) 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, 268365 + ... + 268406.

It is an arithmetic number, because the mean of its divisors is an integer number (2147088).

Almost surely, 2^11272191 is an apocalyptic number.

11272191 is a deficient number, since it is larger than the sum of its proper divisors (5904513).

11272191 is an equidigital number, since it uses as much as digits as its factorization.

11272191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536781.

The product of its digits is 252, while the sum is 24.

The square root of 11272191 is about 3357.4083755182. The cubic root of 11272191 is about 224.2174692343.

The spelling of 11272191 in words is "eleven million, two hundred seventy-two thousand, one hundred ninety-one".