111135365445 has 32 divisors (see below), whose sum is σ = 191561190912. Its totient is φ = 54693821952.

The previous prime is 111135365441. The next prime is 111135365447. The reversal of 111135365445 is 544563531111.

It is not a de Polignac number, because 111135365445 - 2² = 111135365441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111135365441) 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 31 ways as a sum of consecutive naturals, for example, 473409 + ... + 668121.

It is an arithmetic number, because the mean of its divisors is an integer number (5986287216).

Almost surely, 2^111135365445 is an apocalyptic number.

111135365445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111135365445 is a deficient number, since it is larger than the sum of its proper divisors (80425825467).

111135365445 is a wasteful number, since it uses less digits than its factorization.

111135365445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197661.

The product of its digits is 108000, while the sum is 39.

Adding to 111135365445 its reverse (544563531111), we get a palindrome (655698896556).

The spelling of 111135365445 in words is "one hundred eleven billion, one hundred thirty-five million, three hundred sixty-five thousand, four hundred forty-five".