11169144 has 128 divisors (see below), whose sum is σ = 36288000. Its totient is φ = 3117312.

The previous prime is 11169091. The next prime is 11169157. The reversal of 11169144 is 44196111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 125452 + ... + 125540.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 2^11169144 is an apocalyptic number.

11169144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11169144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18144000).

11169144 is an abundant number, since it is smaller than the sum of its proper divisors (25118856).

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

11169144 is a wasteful number, since it uses less digits than its factorization.

11169144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 184 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 11169144 is about 3342.0269298735. The cubic root of 11169144 is about 223.5321335718.

The spelling of 11169144 in words is "eleven million, one hundred sixty-nine thousand, one hundred forty-four".