11520056 has 32 divisors (see below), whose sum is σ = 22753440. Its totient is φ = 5457408.

The previous prime is 11520037. The next prime is 11520059. The reversal of 11520056 is 65002511.

11520056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24980 + ... + 25436.

It is an arithmetic number, because the mean of its divisors is an integer number (711045).

Almost surely, 2^11520056 is an apocalyptic number.

It is an amenable number.

11520056 is a deficient number, since it is larger than the sum of its proper divisors (11233384).

11520056 is a wasteful number, since it uses less digits than its factorization.

11520056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 619 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11520056 is about 3394.1207992645. The cubic root of 11520056 is about 225.8490128893.

Adding to 11520056 its reverse (65002511), we get a palindrome (76522567).

The spelling of 11520056 in words is "eleven million, five hundred twenty thousand, fifty-six".