11144478452 has 12 divisors (see below), whose sum is σ = 20650063140. Its totient is φ = 5244460416.

The previous prime is 11144478437. The next prime is 11144478547. The reversal of 11144478452 is 25487444111.

11144478452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6553873936 + 4590604516 = 80956^2 + 67754^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 81944627 + ... + 81944762.

It is an arithmetic number, because the mean of its divisors is an integer number (1720838595).

Almost surely, 2^11144478452 is an apocalyptic number.

It is an amenable number.

11144478452 is a deficient number, since it is larger than the sum of its proper divisors (9505584688).

11144478452 is a wasteful number, since it uses less digits than its factorization.

11144478452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163889410 (or 163889408 counting only the distinct ones).

The product of its digits is 143360, while the sum is 41.

The spelling of 11144478452 in words is "eleven billion, one hundred forty-four million, four hundred seventy-eight thousand, four hundred fifty-two".