11160720 has 80 divisors (see below), whose sum is σ = 38449920. Its totient is φ = 2975616.

The previous prime is 11160707. The next prime is 11160757. The reversal of 11160720 is 2706111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11160693 and 11160702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (480624).

Almost surely, 2^11160720 is an apocalyptic number.

11160720 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 11160720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19224960).

11160720 is an abundant number, since it is smaller than the sum of its proper divisors (27289200).

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

11160720 is a wasteful number, since it uses less digits than its factorization.

11160720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11160720 is about 3340.7663791412. The cubic root of 11160720 is about 223.4759219140.

Adding to 11160720 its reverse (2706111), we get a palindrome (13866831).

The spelling of 11160720 in words is "eleven million, one hundred sixty thousand, seven hundred twenty".