11140656 has 40 divisors (see below), whose sum is σ = 29712384. Its totient is φ = 3593280.

The previous prime is 11140651. The next prime is 11140697. The reversal of 11140656 is 65604111.

It is a super-2 number, since 2×11140656² = 248228432220672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11140651) 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 7 ways as a sum of consecutive naturals, for example, 2256 + ... + 5231.

Almost surely, 2^11140656 is an apocalyptic number.

11140656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11140656 is an abundant number, since it is smaller than the sum of its proper divisors (18571728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11140656 is a wasteful number, since it uses less digits than its factorization.

11140656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7529 (or 7523 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11140656 is about 3337.7621245379. The cubic root of 11140656 is about 223.3419248694.

Adding to 11140656 its reverse (65604111), we get a palindrome (76744767).

The spelling of 11140656 in words is "eleven million, one hundred forty thousand, six hundred fifty-six".