11055613 has 4 divisors (see below), whose sum is σ = 11067580. Its totient is φ = 11043648.

The previous prime is 11055599. The next prime is 11055647. The reversal of 11055613 is 31655011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5116644 + 5938969 = 2262^2 + 2437^2 .

It is a cyclic number.

It is not a de Polignac number, because 11055613 - 2¹⁷ = 10924541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4470 + ... + 6487.

It is an arithmetic number, because the mean of its divisors is an integer number (2766895).

Almost surely, 2^11055613 is an apocalyptic number.

It is an amenable number.

11055613 is a deficient number, since it is larger than the sum of its proper divisors (11967).

11055613 is a wasteful number, since it uses less digits than its factorization.

11055613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11966.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 11055613 is about 3324.9981954882. The cubic root of 11055613 is about 222.7721737653.

The spelling of 11055613 in words is "eleven million, fifty-five thousand, six hundred thirteen".