556056345215 has 16 divisors (see below), whose sum is σ = 776980081728. Its totient is φ = 374101518336.

The previous prime is 556056345181. The next prime is 556056345217. The reversal of 556056345215 is 512543650655.

It is not a de Polignac number, because 556056345215 - 2¹⁸ = 556056083071 is a prime.

It is a super-3 number, since 3×556056345215³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556056345215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556056345217) 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 15 ways as a sum of consecutive naturals, for example, 149878562 + ... + 149882271.

It is an arithmetic number, because the mean of its divisors is an integer number (48561255108).

Almost surely, 2^556056345215 is an apocalyptic number.

556056345215 is a deficient number, since it is larger than the sum of its proper divisors (220923736513).

556056345215 is a wasteful number, since it uses less digits than its factorization.

556056345215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299760898.

The product of its (nonzero) digits is 2700000, while the sum is 47.

The spelling of 556056345215 in words is "five hundred fifty-six billion, fifty-six million, three hundred forty-five thousand, two hundred fifteen".