11049281 has 8 divisors (see below), whose sum is σ = 11335680. Its totient is φ = 10765872.

The previous prime is 11049257. The next prime is 11049287. The reversal of 11049281 is 18294011.

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

It is a cyclic number.

It is not a de Polignac number, because 11049281 - 2²² = 6854977 is a prime.

It is a super-2 number, since 2×11049281² = 244173221233922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11049281.

It is not an unprimeable number, because it can be changed into a prime (11049287) 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, 8000 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (1416960).

Almost surely, 2^11049281 is an apocalyptic number.

It is an amenable number.

11049281 is a deficient number, since it is larger than the sum of its proper divisors (286399).

11049281 is a wasteful number, since it uses less digits than its factorization.

11049281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11049281 is about 3324.0458781431. The cubic root of 11049281 is about 222.7296354097.

The spelling of 11049281 in words is "eleven million, forty-nine thousand, two hundred eighty-one".