11080321 has 6 divisors (see below), whose sum is σ = 12889410. Its totient is φ = 9497376.

The previous prime is 11080313. The next prime is 11080327. The reversal of 11080321 is 12308011.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 2436721 = 2940^2 + 1561^2 .

It is not a de Polignac number, because 11080321 - 2³ = 11080313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11080295 and 11080304.

It is not an unprimeable number, because it can be changed into a prime (11080327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113016 + ... + 113113.

It is an arithmetic number, because the mean of its divisors is an integer number (2148235).

Almost surely, 2^11080321 is an apocalyptic number.

It is an amenable number.

11080321 is a deficient number, since it is larger than the sum of its proper divisors (1809089).

11080321 is an equidigital number, since it uses as much as digits as its factorization.

11080321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226143 (or 226136 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11080321 is about 3328.7116126213. The cubic root of 11080321 is about 222.9380068583.

Adding to 11080321 its reverse (12308011), we get a palindrome (23388332).

The spelling of 11080321 in words is "eleven million, eighty thousand, three hundred twenty-one".