12551523524 has 48 divisors (see below), whose sum is σ = 23553089280. Its totient is φ = 5841749760.

The previous prime is 12551523511. The next prime is 12551523529. The reversal of 12551523524 is 42532515521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12551523529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348104 + ... + 382464.

It is an arithmetic number, because the mean of its divisors is an integer number (490689360).

Almost surely, 2^12551523524 is an apocalyptic number.

It is an amenable number.

12551523524 is a deficient number, since it is larger than the sum of its proper divisors (11001565756).

12551523524 is a wasteful number, since it uses less digits than its factorization.

12551523524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34508 (or 34506 counting only the distinct ones).

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

The spelling of 12551523524 in words is "twelve billion, five hundred fifty-one million, five hundred twenty-three thousand, five hundred twenty-four".