11311444416 has 28 divisors (see below), whose sum is σ = 29928197192. Its totient is φ = 3770481408.

The previous prime is 11311444349. The next prime is 11311444427. The reversal of 11311444416 is 61444411311.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29456695 + ... + 29457078.

Almost surely, 2^11311444416 is an apocalyptic number.

11311444416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11311444416 is an abundant number, since it is smaller than the sum of its proper divisors (18616752776).

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

11311444416 is an equidigital number, since it uses as much as digits as its factorization.

11311444416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58913788 (or 58913778 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

Adding to 11311444416 its reverse (61444411311), we get a palindrome (72755855727).

The spelling of 11311444416 in words is "eleven billion, three hundred eleven million, four hundred forty-four thousand, four hundred sixteen".