11520411 has 8 divisors (see below), whose sum is σ = 17554944. Its totient is φ = 6583080.

The previous prime is 11520409. The next prime is 11520419. The reversal of 11520411 is 11402511.

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 11520411 - 2¹ = 11520409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11520419) 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, 274275 + ... + 274316.

It is an arithmetic number, because the mean of its divisors is an integer number (2194368).

Almost surely, 2^11520411 is an apocalyptic number.

11520411 is a deficient number, since it is larger than the sum of its proper divisors (6034533).

11520411 is an equidigital number, since it uses as much as digits as its factorization.

11520411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548601.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 11520411 is about 3394.1730951736. The cubic root of 11520411 is about 225.8513327732.

Adding to 11520411 its reverse (11402511), we get a palindrome (22922922).

The spelling of 11520411 in words is "eleven million, five hundred twenty thousand, four hundred eleven".