111500345 has 16 divisors (see below), whose sum is σ = 146403072. Its totient is φ = 80847360.

The previous prime is 111500321. The next prime is 111500371. The reversal of 111500345 is 543005111.

It is not a de Polignac number, because 111500345 - 2⁸ = 111500089 is a prime.

It is a Duffinian 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, 16544 + ... + 22286.

It is an arithmetic number, because the mean of its divisors is an integer number (9150192).

Almost surely, 2^111500345 is an apocalyptic number.

It is an amenable number.

111500345 is a deficient number, since it is larger than the sum of its proper divisors (34902727).

111500345 is a wasteful number, since it uses less digits than its factorization.

111500345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 111500345 is about 10559.3723771823. The cubic root of 111500345 is about 481.3105749354.

Adding to 111500345 its reverse (543005111), we get a palindrome (654505456).

The spelling of 111500345 in words is "one hundred eleven million, five hundred thousand, three hundred forty-five".