600505605561 has 8 divisors (see below), whose sum is σ = 803093097184. Its totient is φ = 399127592160.

The previous prime is 600505605523. The next prime is 600505605599. The reversal of 600505605561 is 165506505006.

It is an interprime number because it is at equal distance from previous prime (600505605523) and next prime (600505605599).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 600505605561 - 2¹⁰ = 600505604537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (600505605521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302368396 + ... + 302370381.

It is an arithmetic number, because the mean of its divisors is an integer number (100386637148).

Almost surely, 2^600505605561 is an apocalyptic number.

It is an amenable number.

600505605561 is a deficient number, since it is larger than the sum of its proper divisors (202587491623).

600505605561 is a wasteful number, since it uses less digits than its factorization.

600505605561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604739111.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 600505605561 in words is "six hundred billion, five hundred five million, six hundred five thousand, five hundred sixty-one".