556056106111 has 4 divisors (see below), whose sum is σ = 606606661224. Its totient is φ = 505505551000.

The previous prime is 556056106049. The next prime is 556056106127. The reversal of 556056106111 is 111601650655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556056106111 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 (556056106171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25275277540 + ... + 25275277561.

It is an arithmetic number, because the mean of its divisors is an integer number (151651665306).

Almost surely, 2^556056106111 is an apocalyptic number.

556056106111 is a deficient number, since it is larger than the sum of its proper divisors (50550555113).

556056106111 is a wasteful number, since it uses less digits than its factorization.

556056106111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50550555112.

The product of its (nonzero) digits is 27000, while the sum is 37.

Adding to 556056106111 its reverse (111601650655), we get a palindrome (667657756766).

The spelling of 556056106111 in words is "five hundred fifty-six billion, fifty-six million, one hundred six thousand, one hundred eleven".