11055900 has 72 divisors (see below), whose sum is σ = 32341680. Its totient is φ = 2915840.

The previous prime is 11055887. The next prime is 11055953. The reversal of 11055900 is 955011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 40966 + ... + 41234.

It is an arithmetic number, because the mean of its divisors is an integer number (449190).

Almost surely, 2^11055900 is an apocalyptic number.

11055900 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 11055900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16170840).

11055900 is an abundant number, since it is smaller than the sum of its proper divisors (21285780).

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

11055900 is a wasteful number, since it uses less digits than its factorization.

11055900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 11055900 is about 3325.0413531263. The cubic root of 11055900 is about 222.7741014455.

The spelling of 11055900 in words is "eleven million, fifty-five thousand, nine hundred".