506006000091 has 12 divisors (see below), whose sum is σ = 730947613032. Its totient is φ = 337314230016.

The previous prime is 506006000089. The next prime is 506006000099. The reversal of 506006000091 is 190000600605.

506006000091 is a `hidden beast` number, since 50 + 6 + 0 + 0 + 600 + 0 + 0 + 9 + 1 = 666.

It is not a de Polignac number, because 506006000091 - 2¹ = 506006000089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506006000099) 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, 1786041 + ... + 2049866.

It is an arithmetic number, because the mean of its divisors is an integer number (60912301086).

Almost surely, 2^506006000091 is an apocalyptic number.

506006000091 is a deficient number, since it is larger than the sum of its proper divisors (224941612941).

506006000091 is a wasteful number, since it uses less digits than its factorization.

506006000091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850570 (or 3850567 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

Adding to 506006000091 its reverse (190000600605), we get a palindrome (696006600696).

The spelling of 506006000091 in words is "five hundred six billion, six million, ninety-one", and thus it is an aban number.