11042830 has 32 divisors (see below), whose sum is σ = 20721888. Its totient is φ = 4233600.

The previous prime is 11042813. The next prime is 11042831. The reversal of 11042830 is 3824011.

It is a junction number, because it is equal to n+sod(n) for n = 11042798 and 11042807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26020 + ... + 26440.

It is an arithmetic number, because the mean of its divisors is an integer number (647559).

Almost surely, 2^11042830 is an apocalyptic number.

11042830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11042830 is a deficient number, since it is larger than the sum of its proper divisors (9679058).

11042830 is a wasteful number, since it uses less digits than its factorization.

11042830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11042830 is about 3323.0753828344. The cubic root of 11042830 is about 222.6862808965.

Adding to 11042830 its reverse (3824011), we get a palindrome (14866841).

The spelling of 11042830 in words is "eleven million, forty-two thousand, eight hundred thirty".