11440120056 has 16 divisors (see below), whose sum is σ = 28600300200. Its totient is φ = 3813373344.

The previous prime is 11440120037. The next prime is 11440120057. The reversal of 11440120056 is 65002104411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 476671669 = 11440120056 / (1 + 1 + 4 + 4 + 0 + 1 + 2 + 0 + 0 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440120057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238335811 + ... + 238335858.

Almost surely, 2^11440120056 is an apocalyptic number.

It is an amenable number.

11440120056 is an abundant number, since it is smaller than the sum of its proper divisors (17160180144).

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

11440120056 is a wasteful number, since it uses less digits than its factorization.

11440120056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476671678 (or 476671674 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11440120056 its reverse (65002104411), we get a palindrome (76442224467).

The spelling of 11440120056 in words is "eleven billion, four hundred forty million, one hundred twenty thousand, fifty-six".