111106551165155 has 48 divisors (see below), whose sum is σ = 165104401305600. Its totient is φ = 70281200306304.

The previous prime is 111106551165149. The next prime is 111106551165163. The reversal of 111106551165155 is 551561155601111.

It is not a de Polignac number, because 111106551165155 - 2⁴ = 111106551165139 is a prime.

It is an unprimeable number.

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, 3040046 + ... + 15213644.

It is an arithmetic number, because the mean of its divisors is an integer number (3439675027200).

Almost surely, 2^{111106551165155} is an apocalyptic number.

111106551165155 is a deficient number, since it is larger than the sum of its proper divisors (53997850140445).

111106551165155 is a wasteful number, since it uses less digits than its factorization.

111106551165155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175180 (or 12175167 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 44.

The spelling of 111106551165155 in words is "one hundred eleven trillion, one hundred six billion, five hundred fifty-one million, one hundred sixty-five thousand, one hundred fifty-five".