111555165162 has 16 divisors (see below), whose sum is σ = 254983234752. Its totient is φ = 31872904320.

The previous prime is 111555165119. The next prime is 111555165203. The reversal of 111555165162 is 261561555111.

It is a self number, because there is not a number n which added to its sum of digits gives 111555165162.

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, 1328037639 + ... + 1328037722.

It is an arithmetic number, because the mean of its divisors is an integer number (15936452172).

Almost surely, 2^111555165162 is an apocalyptic number.

111555165162 is an abundant number, since it is smaller than the sum of its proper divisors (143428069590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111555165162 is a wasteful number, since it uses less digits than its factorization.

111555165162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656075373.

The product of its digits is 45000, while the sum is 39.

The spelling of 111555165162 in words is "one hundred eleven billion, five hundred fifty-five million, one hundred sixty-five thousand, one hundred sixty-two".