111162204345 has 16 divisors (see below), whose sum is σ = 177876119232. Its totient is φ = 59280978240.

The previous prime is 111162204343. The next prime is 111162204401. The reversal of 111162204345 is 543402261111.

It is not a de Polignac number, because 111162204345 - 2¹ = 111162204343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111162204343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176862 + ... + 503591.

It is an arithmetic number, because the mean of its divisors is an integer number (11117257452).

Almost surely, 2^111162204345 is an apocalyptic number.

111162204345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111162204345 is a deficient number, since it is larger than the sum of its proper divisors (66713914887).

111162204345 is a wasteful number, since it uses less digits than its factorization.

111162204345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691352.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 111162204345 its reverse (543402261111), we get a palindrome (654564465456).

The spelling of 111162204345 in words is "one hundred eleven billion, one hundred sixty-two million, two hundred four thousand, three hundred forty-five".