556345563511 has 16 divisors (see below), whose sum is σ = 575516067840. Its totient is φ = 537252262560.

The previous prime is 556345563469. The next prime is 556345563541. The reversal of 556345563511 is 115365543655.

It is a cyclic number.

It is not a de Polignac number, because 556345563511 - 2⁷ = 556345563383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556345563541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 98135385 + ... + 98141053.

It is an arithmetic number, because the mean of its divisors is an integer number (35969754240).

Almost surely, 2^556345563511 is an apocalyptic number.

556345563511 is a deficient number, since it is larger than the sum of its proper divisors (19170504329).

556345563511 is a wasteful number, since it uses less digits than its factorization.

556345563511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11886.

The product of its digits is 4050000, while the sum is 49.

The spelling of 556345563511 in words is "five hundred fifty-six billion, three hundred forty-five million, five hundred sixty-three thousand, five hundred eleven".