605051105605 has 4 divisors (see below), whose sum is σ = 726061326732. Its totient is φ = 484040884480.

The previous prime is 605051105591. The next prime is 605051105623. The reversal of 605051105605 is 506501150506.

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 339729276769 + 265321828836 = 582863^2 + 515094^2 .

It is not a de Polignac number, because 605051105605 - 2⁹ = 605051105093 is a prime.

It is a super-3 number, since 3×605051105605³ (a number of 36 digits) contains 333 as substring.

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, 60505110556 + ... + 60505110565.

It is an arithmetic number, because the mean of its divisors is an integer number (181515331683).

Almost surely, 2^605051105605 is an apocalyptic number.

It is an amenable number.

605051105605 is a deficient number, since it is larger than the sum of its proper divisors (121010221127).

605051105605 is a wasteful number, since it uses less digits than its factorization.

605051105605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121010221126.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 605051105605 in words is "six hundred five billion, fifty-one million, one hundred five thousand, six hundred five".