11072271 has 8 divisors (see below), whose sum is σ = 16872064. Its totient is φ = 6327000.

The previous prime is 11072249. The next prime is 11072273. The reversal of 11072271 is 17227011.

It is a happy number.

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

It is not a de Polignac number, because 11072271 - 2⁶ = 11072207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 527251 = 11072271 / (1 + 1 + 0 + 7 + 2 + 2 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11072273) by changing a digit.

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, 263605 + ... + 263646.

It is an arithmetic number, because the mean of its divisors is an integer number (2109008).

Almost surely, 2^11072271 is an apocalyptic number.

11072271 is a deficient number, since it is larger than the sum of its proper divisors (5799793).

11072271 is an equidigital number, since it uses as much as digits as its factorization.

11072271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527261.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 11072271 is about 3327.5022163779. The cubic root of 11072271 is about 222.8840046399.

Adding to 11072271 its reverse (17227011), we get a palindrome (28299282).

The spelling of 11072271 in words is "eleven million, seventy-two thousand, two hundred seventy-one".