111006055560555 has 12 divisors (see below), whose sum is σ = 192410496305040. Its totient is φ = 59203229632272.

The previous prime is 111006055560479. The next prime is 111006055560559. The reversal of 111006055560555 is 555065550600111.

111006055560555 is a `hidden beast` number, since 11 + 10 + 0 + 60 + 5 + 5 + 560 + 5 + 5 + 5 = 666.

It is not a de Polignac number, because 111006055560555 - 2¹⁹ = 111006055036267 is a prime.

It is a super-3 number, since 3×111006055560555³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2466801234679 = 111006055560555 / (1 + 1 + 1 + 0 + 0 + 6 + 0 + 5 + 5 + 5 + 6 + 0 + 5 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 111006055560555.

It is not an unprimeable number, because it can be changed into a prime (111006055560559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1233400617295 + ... + 1233400617384.

It is an arithmetic number, because the mean of its divisors is an integer number (16034208025420).

Almost surely, 2^{111006055560555} is an apocalyptic number.

111006055560555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111006055560555 is a deficient number, since it is larger than the sum of its proper divisors (81404440744485).

111006055560555 is a wasteful number, since it uses less digits than its factorization.

111006055560555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466801234690 (or 2466801234687 counting only the distinct ones).

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

The spelling of 111006055560555 in words is "one hundred eleven trillion, six billion, fifty-five million, five hundred sixty thousand, five hundred fifty-five".