500550510101 has 16 divisors (see below), whose sum is σ = 532483762608. Its totient is φ = 468899020800.

The previous prime is 500550510029. The next prime is 500550510127. The reversal of 500550510101 is 101015055005.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9331753201 + 491218756900 = 96601^2 + 700870^2 .

It is a cyclic number.

It is not a de Polignac number, because 500550510101 - 2¹⁰ = 500550509077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500550500101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3018221 + ... + 3179741.

It is an arithmetic number, because the mean of its divisors is an integer number (33280235163).

Almost surely, 2^500550510101 is an apocalyptic number.

It is an amenable number.

500550510101 is a deficient number, since it is larger than the sum of its proper divisors (31933252507).

500550510101 is a wasteful number, since it uses less digits than its factorization.

500550510101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162392.

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 500550510101 its reverse (101015055005), we get a palindrome (601565565106).

The spelling of 500550510101 in words is "five hundred billion, five hundred fifty million, five hundred ten thousand, one hundred one".