11005270 has 32 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 4134240.

The previous prime is 11005259. The next prime is 11005277. The reversal of 11005270 is 7250011.

It is a super-2 number, since 2×11005270² = 242231935545800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13165 + ... + 13975.

It is an arithmetic number, because the mean of its divisors is an integer number (657720).

Almost surely, 2^11005270 is an apocalyptic number.

11005270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11005270 is a deficient number, since it is larger than the sum of its proper divisors (10041770).

11005270 is a wasteful number, since it uses less digits than its factorization.

With its successor (11005271) it forms an eRAP, since the sums of their prime factors are consecutive (900 and 901).

11005270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 11005270 is about 3317.4191776138. The cubic root of 11005270 is about 222.4335196747.

Adding to 11005270 its reverse (7250011), we get a palindrome (18255281).

The spelling of 11005270 in words is "eleven million, five thousand, two hundred seventy".