11115134444456 has 128 divisors (see below), whose sum is σ = 25202927692800. Its totient is φ = 4489317665280.

The previous prime is 11115134444423. The next prime is 11115134444501. The reversal of 11115134444456 is 65444443151111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503551436 + ... + 503573508.

It is an arithmetic number, because the mean of its divisors is an integer number (196897872600).

Almost surely, 2^{11115134444456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11115134444456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12601463846400).

11115134444456 is an abundant number, since it is smaller than the sum of its proper divisors (14087793248344).

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

11115134444456 is a wasteful number, since it uses less digits than its factorization.

11115134444456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24559 (or 24555 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

Adding to 11115134444456 its reverse (65444443151111), we get a palindrome (76559577595567).

The spelling of 11115134444456 in words is "eleven trillion, one hundred fifteen billion, one hundred thirty-four million, four hundred forty-four thousand, four hundred fifty-six".