11557245 has 16 divisors (see below), whose sum is σ = 21133440. Its totient is φ = 5283264.

The previous prime is 11557237. The next prime is 11557261. The reversal of 11557245 is 54275511.

It is not a de Polignac number, because 11557245 - 2³ = 11557237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54930 + ... + 55139.

It is an arithmetic number, because the mean of its divisors is an integer number (1320840).

Almost surely, 2^11557245 is an apocalyptic number.

11557245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11557245 is a deficient number, since it is larger than the sum of its proper divisors (9576195).

11557245 is a wasteful number, since it uses less digits than its factorization.

11557245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110084.

The product of its digits is 7000, while the sum is 30.

The square root of 11557245 is about 3399.5948287995. The cubic root of 11557245 is about 226.0917801448.

The spelling of 11557245 in words is "eleven million, five hundred fifty-seven thousand, two hundred forty-five".