11065281 has 8 divisors (see below), whose sum is σ = 14919840. Its totient is φ = 7293792.

The previous prime is 11065261. The next prime is 11065289. The reversal of 11065281 is 18256011.

11065281 is digitally balanced in base 2, base 3 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 11065281 - 2¹¹ = 11063233 is a prime.

It is a super-2 number, since 2×11065281² = 244880887217922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11065289) 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, 20455 + ... + 20988.

It is an arithmetic number, because the mean of its divisors is an integer number (1864980).

Almost surely, 2^11065281 is an apocalyptic number.

It is an amenable number.

11065281 is a deficient number, since it is larger than the sum of its proper divisors (3854559).

11065281 is an equidigital number, since it uses as much as digits as its factorization.

11065281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41535.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 11065281 is about 3326.4517131622. The cubic root of 11065281 is about 222.8370920370.

The spelling of 11065281 in words is "eleven million, sixty-five thousand, two hundred eighty-one".