111000066155 has 32 divisors (see below), whose sum is σ = 153144518400. Its totient is φ = 76384771200.

The previous prime is 111000066139. The next prime is 111000066161. The reversal of 111000066155 is 551660000111.

It is not a de Polignac number, because 111000066155 - 2⁴ = 111000066139 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 31 ways as a sum of consecutive naturals, for example, 793256 + ... + 922634.

It is an arithmetic number, because the mean of its divisors is an integer number (4785766200).

Almost surely, 2^111000066155 is an apocalyptic number.

111000066155 is a deficient number, since it is larger than the sum of its proper divisors (42144452245).

111000066155 is a wasteful number, since it uses less digits than its factorization.

111000066155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130235.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 111000066155 its reverse (551660000111), we get a palindrome (662660066266).

The spelling of 111000066155 in words is "one hundred eleven billion, sixty-six thousand, one hundred fifty-five".