12255524513 has 4 divisors (see below), whose sum is σ = 12261808128. Its totient is φ = 12249240900.

The previous prime is 12255524473. The next prime is 12255524537. The reversal of 12255524513 is 31542555221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31542555221 = 21379 ⋅1475399.

It is a cyclic number.

It is not a de Polignac number, because 12255524513 - 2²⁸ = 11987089057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12255524573) 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 3 ways as a sum of consecutive naturals, for example, 3138881 + ... + 3142782.

It is an arithmetic number, because the mean of its divisors is an integer number (3065452032).

Almost surely, 2^12255524513 is an apocalyptic number.

It is an amenable number.

12255524513 is a deficient number, since it is larger than the sum of its proper divisors (6283615).

12255524513 is an equidigital number, since it uses as much as digits as its factorization.

12255524513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283614.

The product of its digits is 60000, while the sum is 35.

The spelling of 12255524513 in words is "twelve billion, two hundred fifty-five million, five hundred twenty-four thousand, five hundred thirteen".