11520271 has 16 divisors (see below), whose sum is σ = 14065920. Its totient is φ = 9210240.

The previous prime is 11520269. The next prime is 11520287. The reversal of 11520271 is 17202511.

11520271 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11520271 - 2¹ = 11520269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520371) 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, 15220 + ... + 15958.

It is an arithmetic number, because the mean of its divisors is an integer number (879120).

Almost surely, 2^11520271 is an apocalyptic number.

11520271 is a deficient number, since it is larger than the sum of its proper divisors (2545649).

11520271 is a wasteful number, since it uses less digits than its factorization.

11520271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 11520271 is about 3394.1524715310. The cubic root of 11520271 is about 225.8504178951.

Adding to 11520271 its reverse (17202511), we get a palindrome (28722782).

The spelling of 11520271 in words is "eleven million, five hundred twenty thousand, two hundred seventy-one".