11055040 has 56 divisors (see below), whose sum is σ = 26609040. Its totient is φ = 4374528.

The previous prime is 11055029. The next prime is 11055041. The reversal of 11055040 is 4055011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055041) 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 7 ways as a sum of consecutive naturals, for example, 57184 + ... + 57376.

Almost surely, 2^11055040 is an apocalyptic number.

11055040 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 11055040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13304520).

11055040 is an abundant number, since it is smaller than the sum of its proper divisors (15554000).

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

11055040 is a wasteful number, since it uses less digits than its factorization.

11055040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 11055040 is about 3324.9120289114. The cubic root of 11055040 is about 222.7683250216.

The spelling of 11055040 in words is "eleven million, fifty-five thousand, forty".