111360550165 has 4 divisors (see below), whose sum is σ = 133632660204. Its totient is φ = 89088440128.

The previous prime is 111360550157. The next prime is 111360550201. The reversal of 111360550165 is 561055063111.

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 47133278404 + 64227271761 = 217102^2 + 253431^2 .

It is a cyclic number.

It is not a de Polignac number, because 111360550165 - 2³ = 111360550157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111360550165.

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, 11136055012 + ... + 11136055021.

It is an arithmetic number, because the mean of its divisors is an integer number (33408165051).

Almost surely, 2^111360550165 is an apocalyptic number.

It is an amenable number.

111360550165 is a deficient number, since it is larger than the sum of its proper divisors (22272110039).

111360550165 is an equidigital number, since it uses as much as digits as its factorization.

111360550165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22272110038.

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 111360550165 in words is "one hundred eleven billion, three hundred sixty million, five hundred fifty thousand, one hundred sixty-five".