11520161 has 8 divisors (see below), whose sum is σ = 11721024. Its totient is φ = 11321200.

The previous prime is 11520083. The next prime is 11520191. The reversal of 11520161 is 16102511.

11520161 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 11520161 - 2¹⁴ = 11503777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520191) 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, 16526 + ... + 17208.

It is an arithmetic number, because the mean of its divisors is an integer number (1465128).

Almost surely, 2^11520161 is an apocalyptic number.

It is an amenable number.

11520161 is a deficient number, since it is larger than the sum of its proper divisors (200863).

11520161 is a wasteful number, since it uses less digits than its factorization.

11520161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 11520161 is about 3394.1362671525. The cubic root of 11520161 is about 225.8496990571.

Adding to 11520161 its reverse (16102511), we get a palindrome (27622672).

The spelling of 11520161 in words is "eleven million, five hundred twenty thousand, one hundred sixty-one".