11159968 has 48 divisors (see below), whose sum is σ = 23405760. Its totient is φ = 5226496.

The previous prime is 11159963. The next prime is 11159971. The reversal of 11159968 is 86995111.

It is a super-2 number, since 2×11159968² = 249089771522048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11159968.

It is not an unprimeable number, because it can be changed into a prime (11159963) 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, 43296 + ... + 43552.

It is an arithmetic number, because the mean of its divisors is an integer number (487620).

Almost surely, 2^11159968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11159968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11702880).

11159968 is an abundant number, since it is smaller than the sum of its proper divisors (12245792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11159968 is a wasteful number, since it uses less digits than its factorization.

11159968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 341 counting only the distinct ones).

The product of its digits is 19440, while the sum is 40.

The square root of 11159968 is about 3340.6538282199. The cubic root of 11159968 is about 223.4709025942.

The spelling of 11159968 in words is "eleven million, one hundred fifty-nine thousand, nine hundred sixty-eight".