111724908073 has 4 divisors (see below), whose sum is σ = 115577491140. Its totient is φ = 107872325008.

The previous prime is 111724908059. The next prime is 111724908079. The reversal of 111724908073 is 370809427111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82238179984 + 29486728089 = 286772^2 + 171717^2 .

It is a cyclic number.

It is not a de Polignac number, because 111724908073 - 2⁹ = 111724907561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111724908079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926291490 + ... + 1926291547.

It is an arithmetic number, because the mean of its divisors is an integer number (28894372785).

Almost surely, 2^111724908073 is an apocalyptic number.

It is an amenable number.

111724908073 is a deficient number, since it is larger than the sum of its proper divisors (3852583067).

111724908073 is an equidigital number, since it uses as much as digits as its factorization.

111724908073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852583066.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 111724908073 in words is "one hundred eleven billion, seven hundred twenty-four million, nine hundred eight thousand, seventy-three".