111722783365 has 4 divisors (see below), whose sum is σ = 134067340044. Its totient is φ = 89378226688.

The previous prime is 111722783339. The next prime is 111722783399. The reversal of 111722783365 is 563387227111.

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 45504569124 + 66218214241 = 213318^2 + 257329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111722783365 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11172278332 + ... + 11172278341.

It is an arithmetic number, because the mean of its divisors is an integer number (33516835011).

Almost surely, 2^111722783365 is an apocalyptic number.

It is an amenable number.

111722783365 is a deficient number, since it is larger than the sum of its proper divisors (22344556679).

111722783365 is an equidigital number, since it uses as much as digits as its factorization.

111722783365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22344556678.

The product of its digits is 423360, while the sum is 46.

The spelling of 111722783365 in words is "one hundred eleven billion, seven hundred twenty-two million, seven hundred eighty-three thousand, three hundred sixty-five".