11181960 has 96 divisors (see below), whose sum is σ = 36855000. Its totient is φ = 2939904.

The previous prime is 11181959. The next prime is 11181991. The reversal of 11181960 is 6918111.

11181960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8538084 + 2643876 = 2922^2 + 1626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31866 + ... + 32214.

Almost surely, 2^11181960 is an apocalyptic number.

11181960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11181960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18427500).

11181960 is an abundant number, since it is smaller than the sum of its proper divisors (25673040).

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

11181960 is a wasteful number, since it uses less digits than its factorization.

11181960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 11181960 is about 3343.9437794317. The cubic root of 11181960 is about 223.6175979783.

The spelling of 11181960 in words is "eleven million, one hundred eighty-one thousand, nine hundred sixty".