12415255525 has 12 divisors (see below), whose sum is σ = 15553630372. Its totient is φ = 9829808640.

The previous prime is 12415255513. The next prime is 12415255529. The reversal of 12415255525 is 52555251421.

It can be written as a sum of positive squares in 6 ways, for example, as 1340218881 + 11075036644 = 36609^2 + 105238^2 .

It is not a de Polignac number, because 12415255525 - 2¹⁷ = 12415124453 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 (12415255529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2557422 + ... + 2562271.

Almost surely, 2^12415255525 is an apocalyptic number.

It is an amenable number.

12415255525 is a deficient number, since it is larger than the sum of its proper divisors (3138374847).

12415255525 is an equidigital number, since it uses as much as digits as its factorization.

12415255525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119800 (or 5119795 counting only the distinct ones).

The product of its digits is 100000, while the sum is 37.

The spelling of 12415255525 in words is "twelve billion, four hundred fifteen million, two hundred fifty-five thousand, five hundred twenty-five".