11140856 has 8 divisors (see below), whose sum is σ = 20889120. Its totient is φ = 5570424.

The previous prime is 11140837. The next prime is 11140903. The reversal of 11140856 is 65804111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696296 + ... + 696311.

It is an arithmetic number, because the mean of its divisors is an integer number (2611140).

Almost surely, 2^11140856 is an apocalyptic number.

It is an amenable number.

11140856 is a deficient number, since it is larger than the sum of its proper divisors (9748264).

11140856 is a wasteful number, since it uses less digits than its factorization.

11140856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392613 (or 1392609 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 11140856 is about 3337.7920845972. The cubic root of 11140856 is about 223.3432613591.

Adding to 11140856 its reverse (65804111), we get a palindrome (76944967).

The spelling of 11140856 in words is "eleven million, one hundred forty thousand, eight hundred fifty-six".