11321115056 has 10 divisors (see below), whose sum is σ = 21934660452. Its totient is φ = 5660557520.

The previous prime is 11321115053. The next prime is 11321115073. The reversal of 11321115056 is 65051112311.

It is a super-2 number, since 2×11321115056² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321115053) 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 as a sum of consecutive naturals, namely, 353784830 + ... + 353784861.

Almost surely, 2^11321115056 is an apocalyptic number.

11321115056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11321115056 is a deficient number, since it is larger than the sum of its proper divisors (10613545396).

11321115056 is an equidigital number, since it uses as much as digits as its factorization.

11321115056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707569699 (or 707569693 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 11321115056 its reverse (65051112311), we get a palindrome (76372227367).

The spelling of 11321115056 in words is "eleven billion, three hundred twenty-one million, one hundred fifteen thousand, fifty-six".