11288481 has 8 divisors (see below), whose sum is σ = 15070464. Its totient is φ = 7516080.

The previous prime is 11288471. The next prime is 11288509. The reversal of 11288481 is 18488211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11288481 - 2⁵ = 11288449 is a prime.

It is a super-2 number, since 2×11288481² = 254859606574722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11288461) 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 7 ways as a sum of consecutive naturals, for example, 1075 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (1883808).

Almost surely, 2^11288481 is an apocalyptic number.

It is an amenable number.

11288481 is a deficient number, since it is larger than the sum of its proper divisors (3781983).

11288481 is an equidigital number, since it uses as much as digits as its factorization.

11288481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791.

The product of its digits is 4096, while the sum is 33.

The square root of 11288481 is about 3359.8334780164. The cubic root of 11288481 is about 224.3254264929.

The spelling of 11288481 in words is "eleven million, two hundred eighty-eight thousand, four hundred eighty-one".