12385441485 has 48 divisors (see below), whose sum is σ = 22277324160. Its totient is φ = 6601383360.

The previous prime is 12385441463. The next prime is 12385441487. The reversal of 12385441485 is 58414458321.

12385441485 is a `hidden beast` number, since 1 + 23 + 8 + 544 + 1 + 4 + 85 = 666.

It is not a de Polignac number, because 12385441485 - 2⁶ = 12385441421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12385441485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12385441487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3328456 + ... + 3332174.

It is an arithmetic number, because the mean of its divisors is an integer number (464110920).

Almost surely, 2^12385441485 is an apocalyptic number.

12385441485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12385441485 is a deficient number, since it is larger than the sum of its proper divisors (9891882675).

12385441485 is an equidigital number, since it uses as much as digits as its factorization.

12385441485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480 (or 6468 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The spelling of 12385441485 in words is "twelve billion, three hundred eighty-five million, four hundred forty-one thousand, four hundred eighty-five".