11152609 has 16 divisors (see below), whose sum is σ = 12507264. Its totient is φ = 9878400.

The previous prime is 11152607. The next prime is 11152613. The reversal of 11152609 is 90625111.

It is a cyclic number.

It is not a de Polignac number, because 11152609 - 2¹ = 11152607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11152607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39549 + ... + 39829.

It is an arithmetic number, because the mean of its divisors is an integer number (781704).

Almost surely, 2^11152609 is an apocalyptic number.

It is an amenable number.

11152609 is a deficient number, since it is larger than the sum of its proper divisors (1354655).

11152609 is a wasteful number, since it uses less digits than its factorization.

11152609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 11152609 is about 3339.5522154924. The cubic root of 11152609 is about 223.4217721076.

The spelling of 11152609 in words is "eleven million, one hundred fifty-two thousand, six hundred nine".