11056590 has 48 divisors (see below), whose sum is σ = 29425968. Its totient is φ = 2878848.

The previous prime is 11056589. The next prime is 11056601. The reversal of 11056590 is 9565011.

11056590 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 659 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2442 + ... + 5298.

It is an arithmetic number, because the mean of its divisors is an integer number (613041).

Almost surely, 2^11056590 is an apocalyptic number.

11056590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11056590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14712984).

11056590 is an abundant number, since it is smaller than the sum of its proper divisors (18369378).

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

11056590 is a wasteful number, since it uses less digits than its factorization.

11056590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 11056590 is about 3325.1451096155. The cubic root of 11056590 is about 222.7787358016.

The spelling of 11056590 in words is "eleven million, fifty-six thousand, five hundred ninety".