11231745 has 32 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 5007360.

The previous prime is 11231743. The next prime is 11231761. The reversal of 11231745 is 54713211.

It is not a de Polignac number, because 11231745 - 2¹ = 11231743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11231743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3001 + ... + 5609.

It is an arithmetic number, because the mean of its divisors is an integer number (657720).

Almost surely, 2^11231745 is an apocalyptic number.

11231745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11231745 is a deficient number, since it is larger than the sum of its proper divisors (9815295).

11231745 is a wasteful number, since it uses less digits than its factorization.

11231745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665.

The product of its digits is 840, while the sum is 24.

The square root of 11231745 is about 3351.3795666859. The cubic root of 11231745 is about 223.9489746128.

Adding to 11231745 its reverse (54713211), we get a palindrome (65944956).

The spelling of 11231745 in words is "eleven million, two hundred thirty-one thousand, seven hundred forty-five".