11049280 has 112 divisors (see below), whose sum is σ = 29772864. Its totient is φ = 3870720.

The previous prime is 11049257. The next prime is 11049287. The reversal of 11049280 is 8294011.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 151324 + ... + 151396.

Almost surely, 2^11049280 is an apocalyptic number.

11049280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11049280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14886432).

11049280 is an abundant number, since it is smaller than the sum of its proper divisors (18723584).

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

11049280 is a wasteful number, since it uses less digits than its factorization.

11049280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 11049280 is about 3324.0457277240. The cubic root of 11049280 is about 222.7296286904.

The spelling of 11049280 in words is "eleven million, forty-nine thousand, two hundred eighty".