100000005505 has 8 divisors (see below), whose sum is σ = 127058830632. Its totient is φ = 75294121728.

The previous prime is 100000005503. The next prime is 100000005529. The reversal of 100000005505 is 505500000001.

It can be written as a sum of positive squares in 4 ways, for example, as 21245686081 + 78754319424 = 145759^2 + 280632^2 .

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

It is not a de Polignac number, because 100000005505 - 2¹ = 100000005503 is a prime.

It is a super-2 number, since 2×100000005505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100000005503) 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, 588235242 + ... + 588235411.

It is an arithmetic number, because the mean of its divisors is an integer number (15882353829).

Almost surely, 2^100000005505 is an apocalyptic number.

It is an amenable number.

100000005505 is a deficient number, since it is larger than the sum of its proper divisors (27058825127).

100000005505 is a wasteful number, since it uses less digits than its factorization.

100000005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176470675.

The product of its (nonzero) digits is 125, while the sum is 16.

Adding to 100000005505 its reverse (505500000001), we get a palindrome (605500005506).

The spelling of 100000005505 in words is "one hundred billion, five thousand, five hundred five".