11105250 has 128 divisors (see below), whose sum is σ = 32078592. Its totient is φ = 2534400.

The previous prime is 11105243. The next prime is 11105257. The reversal of 11105250 is 5250111.

It is an interprime number because it is at equal distance from previous prime (11105243) and next prime (11105257).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165717 + ... + 165783.

It is an arithmetic number, because the mean of its divisors is an integer number (250614).

Almost surely, 2^11105250 is an apocalyptic number.

11105250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11105250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16039296).

11105250 is an abundant number, since it is smaller than the sum of its proper divisors (20973342).

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

11105250 is a wasteful number, since it uses less digits than its factorization.

11105250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 11105250 is about 3332.4540506960. The cubic root of 11105250 is about 223.1050735840.

Adding to 11105250 its reverse (5250111), we get a palindrome (16355361).

The spelling of 11105250 in words is "eleven million, one hundred five thousand, two hundred fifty".