11481713385 has 32 divisors (see below), whose sum is σ = 19717862400.
Its totient is φ = 5684410368.
The previous prime is 11481713339. The next prime is 11481713389. The reversal of 11481713385 is 58331718411.
11481713385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 11481713385 - 211 = 11481711337 is a prime.
It is not an unprimeable number, because it can be changed into a prime (11481713389) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 289785 + ... + 327014.
It is an arithmetic number, because the mean of its divisors is an integer number (616183200).
Almost surely, 211481713385 is an apocalyptic number.
11481713385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
11481713385 is a deficient number, since it is larger than the sum of its proper divisors (8236149015).
11481713385 is a wasteful number, since it uses less digits than its factorization.
11481713385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 616897.
The product of its digits is 80640, while the sum is 42.
The spelling of 11481713385 in words is "eleven billion, four hundred eighty-one million, seven hundred thirteen thousand, three hundred eighty-five".