11005055 has 8 divisors (see below), whose sum is σ = 13225344. Its totient is φ = 8791200.

The previous prime is 11005051. The next prime is 11005067. The reversal of 11005055 is 55050011.

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

It is not a de Polignac number, because 11005055 - 2² = 11005051 is a prime.

It is a super-2 number, since 2×11005055² = 242222471106050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005051) 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, 3845 + ... + 6065.

It is an arithmetic number, because the mean of its divisors is an integer number (1653168).

Almost surely, 2^11005055 is an apocalyptic number.

11005055 is a deficient number, since it is larger than the sum of its proper divisors (2220289).

11005055 is an equidigital number, since it uses as much as digits as its factorization.

11005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 11005055 is about 3317.3867727475. The cubic root of 11005055 is about 222.4320711712.

Adding to 11005055 its reverse (55050011), we get a palindrome (66055066).

The spelling of 11005055 in words is "eleven million, five thousand, fifty-five".