100555105605111 has 24 divisors (see below), whose sum is σ = 151094167614000. Its totient is φ = 64363532537472.

The previous prime is 100555105605091. The next prime is 100555105605127. The reversal of 100555105605111 is 111506501555001.

100555105605111 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 551 + 0 + 56 + 0 + 51 + 1 + 1 = 666.

It is not a de Polignac number, because 100555105605111 - 2²¹ = 100555103507959 is a prime.

It is a super-3 number, since 3×100555105605111³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100555105605131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1076122566 + ... + 1076216003.

It is an arithmetic number, because the mean of its divisors is an integer number (6295590317250).

Almost surely, 2^{100555105605111} is an apocalyptic number.

100555105605111 is a deficient number, since it is larger than the sum of its proper divisors (50539062008889).

100555105605111 is a wasteful number, since it uses less digits than its factorization.

100555105605111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152338783 (or 2152338780 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

The spelling of 100555105605111 in words is "one hundred trillion, five hundred fifty-five billion, one hundred five million, six hundred five thousand, one hundred eleven".