11488281 has 8 divisors (see below), whose sum is σ = 17505984. Its totient is φ = 6564720.

The previous prime is 11488261. The next prime is 11488283. The reversal of 11488281 is 18288411.

11488281 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11488281 - 2⁷ = 11488153 is a prime.

It is a super-2 number, since 2×11488281² = 263961200669922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11488283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273510 + ... + 273551.

It is an arithmetic number, because the mean of its divisors is an integer number (2188248).

Almost surely, 2^11488281 is an apocalyptic number.

It is an amenable number.

11488281 is a deficient number, since it is larger than the sum of its proper divisors (6017703).

11488281 is an equidigital number, since it uses as much as digits as its factorization.

11488281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547071.

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

The square root of 11488281 is about 3389.4366788598. The cubic root of 11488281 is about 225.6411736065.

The spelling of 11488281 in words is "eleven million, four hundred eighty-eight thousand, two hundred eighty-one".