11854242048 has 144 divisors (see below), whose sum is σ = 34475870016. Its totient is φ = 3586129920.

The previous prime is 11854242047. The next prime is 11854242053. The reversal of 11854242048 is 84024245811.

It is a junction number, because it is equal to n+sod(n) for n = 11854241997 and 11854242015.

It is not an unprimeable number, because it can be changed into a prime (11854242047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9739936 + ... + 9741152.

It is an arithmetic number, because the mean of its divisors is an integer number (239415764).

Almost surely, 2^11854242048 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 11854242048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17237935008).

11854242048 is an abundant number, since it is smaller than the sum of its proper divisors (22621627968).

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

11854242048 is a wasteful number, since it uses less digits than its factorization.

11854242048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400 (or 2386 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

Adding to 11854242048 its reverse (84024245811), we get a palindrome (95878487859).

The spelling of 11854242048 in words is "eleven billion, eight hundred fifty-four million, two hundred forty-two thousand, forty-eight".