11280063 has 8 divisors (see below), whose sum is σ = 15525376. Its totient is φ = 7277400.

The previous prime is 11280041. The next prime is 11280067. The reversal of 11280063 is 36008211.

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

It is a de Polignac number, because none of the positive numbers 2^k-11280063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11280067) 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, 60553 + ... + 60738.

It is an arithmetic number, because the mean of its divisors is an integer number (1940672).

Almost surely, 2^11280063 is an apocalyptic number.

11280063 is a deficient number, since it is larger than the sum of its proper divisors (4245313).

11280063 is a wasteful number, since it uses less digits than its factorization.

11280063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121325.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 11280063 is about 3358.5805037248. The cubic root of 11280063 is about 224.2696516126.

Adding to 11280063 its reverse (36008211), we get a palindrome (47288274).

The spelling of 11280063 in words is "eleven million, two hundred eighty thousand, sixty-three".