556161412111 has 8 divisors (see below), whose sum is σ = 619870304880. Its totient is φ = 495896243328.

The previous prime is 556161412109. The next prime is 556161412171. The reversal of 556161412111 is 111214161655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556161412111 - 2¹ = 556161412109 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 (556161412171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860930656 + ... + 860931301.

It is an arithmetic number, because the mean of its divisors is an integer number (77483788110).

Almost surely, 2^556161412111 is an apocalyptic number.

556161412111 is a deficient number, since it is larger than the sum of its proper divisors (63708892769).

556161412111 is a wasteful number, since it uses less digits than its factorization.

556161412111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721861993.

The product of its digits is 7200, while the sum is 34.

Adding to 556161412111 its reverse (111214161655), we get a palindrome (667375573766).

The spelling of 556161412111 in words is "five hundred fifty-six billion, one hundred sixty-one million, four hundred twelve thousand, one hundred eleven".