11056605 has 40 divisors (see below), whose sum is σ = 20704992. Its totient is φ = 5037984.

The previous prime is 11056601. The next prime is 11056607. The reversal of 11056605 is 50665011.

11056605 = 1047² + 1048² + ... + 1056².

It is not a de Polignac number, because 11056605 - 2² = 11056601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056601) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35862 + ... + 36168.

Almost surely, 2^11056605 is an apocalyptic number.

11056605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11056605 is a deficient number, since it is larger than the sum of its proper divisors (9648387).

11056605 is an frugal number, since it uses more digits than its factorization.

11056605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 11056605 is about 3325.1473651554. The cubic root of 11056605 is about 222.7788365463.

The spelling of 11056605 in words is "eleven million, fifty-six thousand, six hundred five".