11280164 has 12 divisors (see below), whose sum is σ = 22560384. Its totient is φ = 4834344.

The previous prime is 11280161. The next prime is 11280193. The reversal of 11280164 is 46108211.

11280164 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11280161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 201404 + ... + 201459.

It is an arithmetic number, because the mean of its divisors is an integer number (1880032).

Almost surely, 2^11280164 is an apocalyptic number.

11280164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11280164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11280164 is a wasteful number, since it uses less digits than its factorization.

11280164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402874 (or 402872 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 11280164 is about 3358.5955398053. The cubic root of 11280164 is about 224.2703209695.

Adding to 11280164 its reverse (46108211), we get a palindrome (57388375).

The spelling of 11280164 in words is "eleven million, two hundred eighty thousand, one hundred sixty-four".