12485493895 has 16 divisors (see below), whose sum is σ = 17165683008. Its totient is φ = 8540121600.

The previous prime is 12485493893. The next prime is 12485493901. The reversal of 12485493895 is 59839458421.

It is a happy number.

It is not a de Polignac number, because 12485493895 - 2¹ = 12485493893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12485493893) 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, 430764 + ... + 458833.

It is an arithmetic number, because the mean of its divisors is an integer number (1072855188).

Almost surely, 2^12485493895 is an apocalyptic number.

12485493895 is a deficient number, since it is larger than the sum of its proper divisors (4680189113).

12485493895 is an equidigital number, since it uses as much as digits as its factorization.

12485493895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890010.

The product of its digits is 12441600, while the sum is 58.

The spelling of 12485493895 in words is "twelve billion, four hundred eighty-five million, four hundred ninety-three thousand, eight hundred ninety-five".