11065560 has 128 divisors (see below), whose sum is σ = 37013760. Its totient is φ = 2624000.

The previous prime is 11065547. The next prime is 11065567. The reversal of 11065560 is 6556011.

It is a super-2 number, since 2×11065560² = 244893236227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11065560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11065567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109510 + ... + 109610.

It is an arithmetic number, because the mean of its divisors is an integer number (289170).

Almost surely, 2^11065560 is an apocalyptic number.

11065560 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 11065560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18506880).

11065560 is an abundant number, since it is smaller than the sum of its proper divisors (25948200).

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

11065560 is a wasteful number, since it uses less digits than its factorization.

11065560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 11065560 is about 3326.4936494754. The cubic root of 11065560 is about 222.8389648928.

It can be divided in two parts, 1106 and 5560, that added together give a palindrome (6666).

The spelling of 11065560 in words is "eleven million, sixty-five thousand, five hundred sixty".