111371310345 has 16 divisors (see below), whose sum is σ = 178209046080. Its totient is φ = 59393049024.

The previous prime is 111371310331. The next prime is 111371310353. The reversal of 111371310345 is 543013173111.

It is not a de Polignac number, because 111371310345 - 2¹¹ = 111371308297 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123015 + ... + 487724.

It is an arithmetic number, because the mean of its divisors is an integer number (11138065380).

Almost surely, 2^111371310345 is an apocalyptic number.

111371310345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111371310345 is a deficient number, since it is larger than the sum of its proper divisors (66837735735).

111371310345 is a wasteful number, since it uses less digits than its factorization.

111371310345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622904.

The product of its (nonzero) digits is 3780, while the sum is 30.

Adding to 111371310345 its reverse (543013173111), we get a palindrome (654384483456).

The spelling of 111371310345 in words is "one hundred eleven billion, three hundred seventy-one million, three hundred ten thousand, three hundred forty-five".