11065780 has 48 divisors (see below), whose sum is σ = 25583040. Its totient is φ = 3987200.

The previous prime is 11065757. The next prime is 11065799. The reversal of 11065780 is 8756011.

It is a happy number.

11065780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 39240 + ... + 39520.

It is an arithmetic number, because the mean of its divisors is an integer number (532980).

Almost surely, 2^11065780 is an apocalyptic number.

11065780 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 11065780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12791520).

11065780 is an abundant number, since it is smaller than the sum of its proper divisors (14517260).

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

11065780 is a wasteful number, since it uses less digits than its factorization.

11065780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 11065780 is about 3326.5267171631. The cubic root of 11065780 is about 222.8404416744.

It can be divided in two parts, 1106 and 5780, that added together give a palindrome (6886).

The spelling of 11065780 in words is "eleven million, sixty-five thousand, seven hundred eighty".