111165442004442 has 32 divisors (see below), whose sum is σ = 254093486689152. Its totient is φ = 31761423880704.

The previous prime is 111165442004413. The next prime is 111165442004447. The reversal of 111165442004442 is 244400244561111.

It is a self number, because there is not a number n which added to its sum of digits gives 111165442004442.

It is not an unprimeable number, because it can be changed into a prime (111165442004447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5088418 + ... + 15755090.

It is an arithmetic number, because the mean of its divisors is an integer number (7940421459036).

Almost surely, 2^{111165442004442} is an apocalyptic number.

111165442004442 is an abundant number, since it is smaller than the sum of its proper divisors (142928044684710).

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

111165442004442 is a wasteful number, since it uses less digits than its factorization.

111165442004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914822.

The product of its (nonzero) digits is 122880, while the sum is 39.

Adding to 111165442004442 its reverse (244400244561111), we get a palindrome (355565686565553).

The spelling of 111165442004442 in words is "one hundred eleven trillion, one hundred sixty-five billion, four hundred forty-two million, four thousand, four hundred forty-two".