111165001055 has 8 divisors (see below), whose sum is σ = 134621836800. Its totient is φ = 88116110496.

The previous prime is 111165001039. The next prime is 111165001067. The reversal of 111165001055 is 550100561111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111165001055 - 2⁴ = 111165001039 is a prime.

It is a super-2 number, since 2×111165001055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101985695 + ... + 101986784.

It is an arithmetic number, because the mean of its divisors is an integer number (16827729600).

Almost surely, 2^111165001055 is an apocalyptic number.

111165001055 is a deficient number, since it is larger than the sum of its proper divisors (23456835745).

111165001055 is a wasteful number, since it uses less digits than its factorization.

111165001055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203972593.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 111165001055 its reverse (550100561111), we get a palindrome (661265562166).

The spelling of 111165001055 in words is "one hundred eleven billion, one hundred sixty-five million, one thousand, fifty-five".