11144478450 has 96 divisors (see below), whose sum is σ = 31610548224. Its totient is φ = 2545381440.

The previous prime is 11144478437. The next prime is 11144478547. The reversal of 11144478450 is 5487444111.

11144478450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11144478399 and 11144478408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1747167 + ... + 1753533.

It is an arithmetic number, because the mean of its divisors is an integer number (329276544).

Almost surely, 2^11144478450 is an apocalyptic number.

11144478450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11144478450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15805274112).

11144478450 is an abundant number, since it is smaller than the sum of its proper divisors (20466069774).

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

11144478450 is a wasteful number, since it uses less digits than its factorization.

11144478450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056 (or 8051 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 11144478450 in words is "eleven billion, one hundred forty-four million, four hundred seventy-eight thousand, four hundred fifty".