665000111353 has 4 divisors (see below), whose sum is σ = 704117764980. Its totient is φ = 625882457728.

The previous prime is 665000111341. The next prime is 665000111443. The reversal of 665000111353 is 353111000566.

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 560921608809 + 104078502544 = 748947^2 + 322612^2 .

It is a cyclic number.

It is not a de Polignac number, because 665000111353 - 2²⁵ = 664966556921 is a prime.

It is a super-3 number, since 3×665000111353³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (665000111053) 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, 19558826788 + ... + 19558826821.

It is an arithmetic number, because the mean of its divisors is an integer number (176029441245).

Almost surely, 2^665000111353 is an apocalyptic number.

It is an amenable number.

665000111353 is a deficient number, since it is larger than the sum of its proper divisors (39117653627).

665000111353 is a wasteful number, since it uses less digits than its factorization.

665000111353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39117653626.

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 665000111353 in words is "six hundred sixty-five billion, one hundred eleven thousand, three hundred fifty-three".