11512145 has 16 divisors (see below), whose sum is σ = 14732928. Its totient is φ = 8605440.

The previous prime is 11512097. The next prime is 11512147. The reversal of 11512145 is 54121511.

It is not a de Polignac number, because 11512145 - 2¹⁶ = 11446609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11512147) by changing a digit.

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, 13790 + ... + 14600.

It is an arithmetic number, because the mean of its divisors is an integer number (920808).

Almost surely, 2^11512145 is an apocalyptic number.

It is an amenable number.

11512145 is a deficient number, since it is larger than the sum of its proper divisors (3220783).

11512145 is a wasteful number, since it uses less digits than its factorization.

11512145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000.

The product of its digits is 200, while the sum is 20.

The square root of 11512145 is about 3392.9552015905. The cubic root of 11512145 is about 225.7973030516.

Adding to 11512145 its reverse (54121511), we get a palindrome (65633656).

The spelling of 11512145 in words is "eleven million, five hundred twelve thousand, one hundred forty-five".