111733072073 has 12 divisors (see below), whose sum is σ = 130160660292. Its totient is φ = 95634554400.

The previous prime is 111733072051. The next prime is 111733072079. The reversal of 111733072073 is 370270337111.

It can be written as a sum of positive squares in 2 ways, for example, as 75664605184 + 36068466889 = 275072^2 + 189917^2 .

It is not a de Polignac number, because 111733072073 - 2⁸ = 111733071817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111733072079) 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 11 ways as a sum of consecutive naturals, for example, 1592090 + ... + 1660787.

It is an arithmetic number, because the mean of its divisors is an integer number (10846721691).

Almost surely, 2^111733072073 is an apocalyptic number.

It is an amenable number.

111733072073 is a deficient number, since it is larger than the sum of its proper divisors (18427588219).

111733072073 is an equidigital number, since it uses as much as digits as its factorization.

111733072073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253592 (or 3253585 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 35.

The spelling of 111733072073 in words is "one hundred eleven billion, seven hundred thirty-three million, seventy-two thousand, seventy-three".