11530655 has 4 divisors (see below), whose sum is σ = 13836792. Its totient is φ = 9224520.

The previous prime is 11530621. The next prime is 11530669. The reversal of 11530655 is 55603511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55603511 = 313 ⋅177647.

It is not a de Polignac number, because 11530655 - 2⁶ = 11530591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153061 + ... + 1153070.

It is an arithmetic number, because the mean of its divisors is an integer number (3459198).

Almost surely, 2^11530655 is an apocalyptic number.

11530655 is a deficient number, since it is larger than the sum of its proper divisors (2306137).

11530655 is an equidigital number, since it uses as much as digits as its factorization.

11530655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306136.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 11530655 is about 3395.6818166607. The cubic root of 11530655 is about 225.9182556064.

The spelling of 11530655 in words is "eleven million, five hundred thirty thousand, six hundred fifty-five".