556446125025 has 72 divisors (see below), whose sum is σ = 1149681933504. Its totient is φ = 251997955200.

The previous prime is 556446124999. The next prime is 556446125029. The reversal of 556446125025 is 520521644655.

556446125025 is a `hidden beast` number, since 5 + 5 + 6 + 4 + 4 + 612 + 5 + 0 + 25 = 666.

It is not a de Polignac number, because 556446125025 - 2¹⁸ = 556445862881 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (556446125029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1482406 + ... + 1819455.

It is an arithmetic number, because the mean of its divisors is an integer number (15967804632).

Almost surely, 2^556446125025 is an apocalyptic number.

It is an amenable number.

556446125025 is an abundant number, since it is smaller than the sum of its proper divisors (593235808479).

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

556446125025 is a wasteful number, since it uses less digits than its factorization.

556446125025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301991 (or 3301983 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 556446125025 in words is "five hundred fifty-six billion, four hundred forty-six million, one hundred twenty-five thousand, twenty-five".