12551253424 has 10 divisors (see below), whose sum is σ = 24318053540. Its totient is φ = 6275626704.

The previous prime is 12551253419. The next prime is 12551253457. The reversal of 12551253424 is 42435215521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12551253424.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392226654 + ... + 392226685.

It is an arithmetic number, because the mean of its divisors is an integer number (2431805354).

Almost surely, 2^12551253424 is an apocalyptic number.

It is an amenable number.

12551253424 is a deficient number, since it is larger than the sum of its proper divisors (11766800116).

12551253424 is an equidigital number, since it uses as much as digits as its factorization.

12551253424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784453347 (or 784453341 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

Adding to 12551253424 its reverse (42435215521), we get a palindrome (54986468945).

The spelling of 12551253424 in words is "twelve billion, five hundred fifty-one million, two hundred fifty-three thousand, four hundred twenty-four".