111111045320 has 64 divisors (see below), whose sum is σ = 273458687040. Its totient is φ = 40295635200.

The previous prime is 111111045293. The next prime is 111111045329. The reversal of 111111045320 is 23540111111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111111045292 and 111111045301.

It is not an unprimeable number, because it can be changed into a prime (111111045329) 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, 174386 + ... + 502625.

It is an arithmetic number, because the mean of its divisors is an integer number (4272791985).

Almost surely, 2^111111045320 is an apocalyptic number.

111111045320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111111045320 is an abundant number, since it is smaller than the sum of its proper divisors (162347641720).

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

111111045320 is a wasteful number, since it uses less digits than its factorization.

111111045320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677406 (or 677402 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 111111045320 its reverse (23540111111), we get a palindrome (134651156431).

The spelling of 111111045320 in words is "one hundred eleven billion, one hundred eleven million, forty-five thousand, three hundred twenty".