11055480 has 64 divisors (see below), whose sum is σ = 33415200. Its totient is φ = 2926080.

The previous prime is 11055463. The next prime is 11055487. The reversal of 11055480 is 8455011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11055480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21466 + ... + 21974.

Almost surely, 2^11055480 is an apocalyptic number.

11055480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11055480 is the 2715-th pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11055480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16707600).

11055480 is an abundant number, since it is smaller than the sum of its proper divisors (22359720).

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

11055480 is a wasteful number, since it uses less digits than its factorization.

11055480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 11055480 is about 3324.9781954172. The cubic root of 11055480 is about 222.7712804387.

The spelling of 11055480 in words is "eleven million, fifty-five thousand, four hundred eighty".