556846780311 has 24 divisors (see below), whose sum is σ = 811855908864. Its totient is φ = 367769310480.

The previous prime is 556846780309. The next prime is 556846780313. The reversal of 556846780311 is 113087648655.

It is a happy number.

556846780311 is a `hidden beast` number, since 5 + 568 + 4 + 6 + 78 + 0 + 3 + 1 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (556846780309) and next prime (556846780313).

It is not a de Polignac number, because 556846780311 - 2¹ = 556846780309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556846780313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289770 + ... + 1094376.

It is an arithmetic number, because the mean of its divisors is an integer number (33827329536).

Almost surely, 2^556846780311 is an apocalyptic number.

556846780311 is a deficient number, since it is larger than the sum of its proper divisors (255009128553).

556846780311 is a wasteful number, since it uses less digits than its factorization.

556846780311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805331 (or 805328 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 556846780311 in words is "five hundred fifty-six billion, eight hundred forty-six million, seven hundred eighty thousand, three hundred eleven".