11041830 has 48 divisors (see below), whose sum is σ = 29090880. Its totient is φ = 2905344.

The previous prime is 11041819. The next prime is 11041843. The reversal of 11041830 is 3814011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6334 + ... + 7886.

It is an arithmetic number, because the mean of its divisors is an integer number (606060).

Almost surely, 2^11041830 is an apocalyptic number.

11041830 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 11041830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14545440).

11041830 is an abundant number, since it is smaller than the sum of its proper divisors (18049050).

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

11041830 is a wasteful number, since it uses less digits than its factorization.

11041830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11041830 is about 3322.9249163952. The cubic root of 11041830 is about 222.6795587971.

Adding to 11041830 its reverse (3814011), we get a palindrome (14855841).

The spelling of 11041830 in words is "eleven million, forty-one thousand, eight hundred thirty".