11520163 has 8 divisors (see below), whose sum is σ = 12121200. Its totient is φ = 10932768.

The previous prime is 11520083. The next prime is 11520191. The reversal of 11520163 is 36102511.

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

It is a de Polignac number, because none of the positive numbers 2^k-11520163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11520163.

It is not an unprimeable number, because it can be changed into a prime (11520563) 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, 1656 + ... + 5077.

It is an arithmetic number, because the mean of its divisors is an integer number (1515150).

Almost surely, 2^11520163 is an apocalyptic number.

11520163 is a deficient number, since it is larger than the sum of its proper divisors (601037).

11520163 is an equidigital number, since it uses as much as digits as its factorization.

11520163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11520163 is about 3394.1365617783. The cubic root of 11520163 is about 225.8497121269.

Adding to 11520163 its reverse (36102511), we get a palindrome (47622674).

The spelling of 11520163 in words is "eleven million, five hundred twenty thousand, one hundred sixty-three".