11152985 has 4 divisors (see below), whose sum is σ = 13383588. Its totient is φ = 8922384.

The previous prime is 11152961. The next prime is 11152991. The reversal of 11152985 is 58925111.

11152985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2343961 + 8809024 = 1531^2 + 2968^2 .

It is a cyclic number.

It is not a de Polignac number, because 11152985 - 2¹⁰ = 11151961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115294 + ... + 1115303.

It is an arithmetic number, because the mean of its divisors is an integer number (3345897).

Almost surely, 2^11152985 is an apocalyptic number.

It is an amenable number.

11152985 is a deficient number, since it is larger than the sum of its proper divisors (2230603).

11152985 is an equidigital number, since it uses as much as digits as its factorization.

11152985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230602.

The product of its digits is 3600, while the sum is 32.

The square root of 11152985 is about 3339.6085099904. The cubic root of 11152985 is about 223.4242828995.

The spelling of 11152985 in words is "eleven million, one hundred fifty-two thousand, nine hundred eighty-five".