111545345207 has 4 divisors (see below), whose sum is σ = 111595211256. Its totient is φ = 111495479160.

The previous prime is 111545345203. The next prime is 111545345221. The reversal of 111545345207 is 702543545111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111545345207 - 2² = 111545345203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111545345203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24929669 + ... + 24934142.

It is an arithmetic number, because the mean of its divisors is an integer number (27898802814).

Almost surely, 2^111545345207 is an apocalyptic number.

111545345207 is a deficient number, since it is larger than the sum of its proper divisors (49866049).

111545345207 is an equidigital number, since it uses as much as digits as its factorization.

111545345207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49866048.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 111545345207 in words is "one hundred eleven billion, five hundred forty-five million, three hundred forty-five thousand, two hundred seven".