12325557815752 has 32 divisors (see below), whose sum is σ = 23231400031800. Its totient is φ = 6130521206784.

The previous prime is 12325557815737. The next prime is 12325557815759. The reversal of 12325557815752 is 25751875552321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8341964956516 + 3983592859236 = 2888246^2 + 1995894^2 .

It is not an unprimeable number, because it can be changed into a prime (12325557815759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30228178 + ... + 30633214.

Almost surely, 2^{12325557815752} is an apocalyptic number.

It is an amenable number.

12325557815752 is a deficient number, since it is larger than the sum of its proper divisors (10905842216048).

12325557815752 is a wasteful number, since it uses less digits than its factorization.

12325557815752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424945 (or 424941 counting only the distinct ones).

The product of its digits is 29400000, while the sum is 58.

The spelling of 12325557815752 in words is "twelve trillion, three hundred twenty-five billion, five hundred fifty-seven million, eight hundred fifteen thousand, seven hundred fifty-two".