12455025078528 has 108 divisors (see below), whose sum is σ = 37800955723440. Its totient is φ = 3933165800448.

The previous prime is 12455025078469. The next prime is 12455025078533. The reversal of 12455025078528 is 82587052055421.

12455025078528 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 50 + 2 + 507 + 85 + 2 + 8 = 666.

It is a super-2 number, since 2×12455025078528² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 142214826 + ... + 142302377.

Almost surely, 2^{12455025078528} is an apocalyptic number.

12455025078528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12455025078528 is an abundant number, since it is smaller than the sum of its proper divisors (25345930644912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12455025078528 is a wasteful number, since it uses less digits than its factorization.

12455025078528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284517244 (or 284517227 counting only the distinct ones).

The product of its (nonzero) digits is 8960000, while the sum is 54.

The spelling of 12455025078528 in words is "twelve trillion, four hundred fifty-five billion, twenty-five million, seventy-eight thousand, five hundred twenty-eight".