12525366849 has 8 divisors (see below), whose sum is σ = 17055818880. Its totient is φ = 8172579696.

The previous prime is 12525366769. The next prime is 12525366853. The reversal of 12525366849 is 94866352521.

It is a happy number.

12525366849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12525366849 - 2²³ = 12516978241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12525366859) 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 7 ways as a sum of consecutive naturals, for example, 44416054 + ... + 44416335.

It is an arithmetic number, because the mean of its divisors is an integer number (2131977360).

Almost surely, 2^12525366849 is an apocalyptic number.

It is an amenable number.

12525366849 is a deficient number, since it is larger than the sum of its proper divisors (4530452031).

12525366849 is an equidigital number, since it uses as much as digits as its factorization.

12525366849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88832439.

The product of its digits is 3110400, while the sum is 51.

The spelling of 12525366849 in words is "twelve billion, five hundred twenty-five million, three hundred sixty-six thousand, eight hundred forty-nine".