12044615525 has 6 divisors (see below), whose sum is σ = 14935323282. Its totient is φ = 9635692400.

The previous prime is 12044615521. The next prime is 12044615537. The reversal of 12044615525 is 52551644021.

It can be written as a sum of positive squares in 3 ways, for example, as 1416242689 + 10628372836 = 37633^2 + 103094^2 .

It is not a de Polignac number, because 12044615525 - 2² = 12044615521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044615521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240892286 + ... + 240892335.

It is an arithmetic number, because the mean of its divisors is an integer number (2489220547).

Almost surely, 2^12044615525 is an apocalyptic number.

It is an amenable number.

12044615525 is a deficient number, since it is larger than the sum of its proper divisors (2890707757).

12044615525 is an equidigital number, since it uses as much as digits as its factorization.

12044615525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481784631 (or 481784626 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 12044615525 in words is "twelve billion, forty-four million, six hundred fifteen thousand, five hundred twenty-five".