11140065 has 32 divisors (see below), whose sum is σ = 19958400. Its totient is φ = 5895360.

The previous prime is 11140043. The next prime is 11140079. The reversal of 11140065 is 56004111.

It is not a de Polignac number, because 11140065 - 2⁶ = 11140001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23935 + ... + 24395.

It is an arithmetic number, because the mean of its divisors is an integer number (623700).

Almost surely, 2^11140065 is an apocalyptic number.

11140065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11140065 is a deficient number, since it is larger than the sum of its proper divisors (8818335).

11140065 is a wasteful number, since it uses less digits than its factorization.

11140065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11140065 is about 3337.6735909912. The cubic root of 11140065 is about 223.3379754487.

Adding to 11140065 its reverse (56004111), we get a palindrome (67144176).

The spelling of 11140065 in words is "eleven million, one hundred forty thousand, sixty-five".