11120280 has 32 divisors (see below), whose sum is σ = 33361200. Its totient is φ = 2965376.

The previous prime is 11120279. The next prime is 11120281. The reversal of 11120280 is 8202111.

11120280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11120279) and next prime (11120281).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120281) 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, 46215 + ... + 46454.

Almost surely, 2^11120280 is an apocalyptic number.

11120280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120280 is an abundant number, since it is smaller than the sum of its proper divisors (22240920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11120280 is a wasteful number, since it uses less digits than its factorization.

11120280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92683 (or 92679 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 11120280 is about 3334.7083830524. The cubic root of 11120280 is about 223.2056793817.

Adding to 11120280 its reverse (8202111), we get a palindrome (19322391).

The spelling of 11120280 in words is "eleven million, one hundred twenty thousand, two hundred eighty".