555556056111 has 48 divisors (see below), whose sum is σ = 926761343040. Its totient is φ = 314123097600.

The previous prime is 555556056019. The next prime is 555556056127. The reversal of 555556056111 is 111650655555.

It is not a de Polignac number, because 555556056111 - 2¹³ = 555556047919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555556056161) 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 47 ways as a sum of consecutive naturals, for example, 10593691 + ... + 10646003.

It is an arithmetic number, because the mean of its divisors is an integer number (19307527980).

Almost surely, 2^555556056111 is an apocalyptic number.

555556056111 is a deficient number, since it is larger than the sum of its proper divisors (371205286929).

555556056111 is a wasteful number, since it uses less digits than its factorization.

555556056111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54096 (or 54093 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 555556056111 in words is "five hundred fifty-five billion, five hundred fifty-six million, fifty-six thousand, one hundred eleven".