11309055 has 8 divisors (see below), whose sum is σ = 18094512. Its totient is φ = 6031488.

The previous prime is 11309033. The next prime is 11309057. The reversal of 11309055 is 55090311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11309055 - 2⁶ = 11308991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11309057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376954 + ... + 376983.

It is an arithmetic number, because the mean of its divisors is an integer number (2261814).

Almost surely, 2^11309055 is an apocalyptic number.

11309055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11309055 is a deficient number, since it is larger than the sum of its proper divisors (6785457).

11309055 is an equidigital number, since it uses as much as digits as its factorization.

11309055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753945.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 11309055 is about 3362.8938431060. The cubic root of 11309055 is about 224.4616264027.

Adding to 11309055 its reverse (55090311), we get a palindrome (66399366).

The spelling of 11309055 in words is "eleven million, three hundred nine thousand, fifty-five".