605550500001 has 12 divisors (see below), whose sum is σ = 875532453120. Its totient is φ = 403308765240.

The previous prime is 605550499991. The next prime is 605550500059. The reversal of 605550500001 is 100005055506.

605550500001 is a `hidden beast` number, since 60 + 5 + 550 + 50 + 0 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 605550500001 - 2⁶ = 605550499937 is a prime.

It is a super-2 number, since 2×605550500001² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (605550500081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32620881 + ... + 32639438.

It is an arithmetic number, because the mean of its divisors is an integer number (72961037760).

Almost surely, 2^605550500001 is an apocalyptic number.

It is an amenable number.

605550500001 is a deficient number, since it is larger than the sum of its proper divisors (269981953119).

605550500001 is a wasteful number, since it uses less digits than its factorization.

605550500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65261356 (or 65261353 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

Adding to 605550500001 its reverse (100005055506), we get a palindrome (705555555507).

The spelling of 605550500001 in words is "six hundred five billion, five hundred fifty million, five hundred thousand, one".