11281150 has 24 divisors (see below), whose sum is σ = 21498624. Its totient is φ = 4401600.

The previous prime is 11281147. The next prime is 11281159. The reversal of 11281150 is 5118211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11281159) 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 11 ways as a sum of consecutive naturals, for example, 702 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (895776).

Almost surely, 2^11281150 is an apocalyptic number.

11281150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11281150 is a deficient number, since it is larger than the sum of its proper divisors (10217474).

11281150 is a wasteful number, since it uses less digits than its factorization.

11281150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556 (or 5551 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 11281150 is about 3358.7423241446. The cubic root of 11281150 is about 224.2768552745.

Adding to 11281150 its reverse (5118211), we get a palindrome (16399361).

It can be divided in two parts, 1128 and 1150, that added together give a triangular number (2278 = T₆₇).

The spelling of 11281150 in words is "eleven million, two hundred eighty-one thousand, one hundred fifty".