505010100005 has 4 divisors (see below), whose sum is σ = 606012120012. Its totient is φ = 404008080000.

The previous prime is 505010099981. The next prime is 505010100047. The reversal of 505010100005 is 500001010505.

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 212824446241 + 292185653764 = 461329^2 + 540542^2 .

It is not a de Polignac number, because 505010100005 - 2¹⁶ = 505010034469 is a prime.

It is a super-2 number, since 2×505010100005² (a number of 24 digits) contains 22 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, 50501009996 + ... + 50501010005.

It is an arithmetic number, because the mean of its divisors is an integer number (151503030003).

Almost surely, 2^505010100005 is an apocalyptic number.

It is an amenable number.

505010100005 is a deficient number, since it is larger than the sum of its proper divisors (101002020007).

505010100005 is a wasteful number, since it uses less digits than its factorization.

505010100005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101002020006.

The product of its (nonzero) digits is 125, while the sum is 17.

The spelling of 505010100005 in words is "five hundred five billion, ten million, one hundred thousand, five".