10005505505 has 4 divisors (see below), whose sum is σ = 12006606612. Its totient is φ = 8004404400.

The previous prime is 10005505459. The next prime is 10005505513. The reversal of 10005505505 is 50550550001.

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 1171761361 + 8833744144 = 34231^2 + 93988^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10005505505 is a prime.

It is a super-2 number, since 2×10005505505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000550546 + ... + 1000550555.

It is an arithmetic number, because the mean of its divisors is an integer number (3001651653).

Almost surely, 2^10005505505 is an apocalyptic number.

It is an amenable number.

10005505505 is a deficient number, since it is larger than the sum of its proper divisors (2001101107).

10005505505 is an equidigital number, since it uses as much as digits as its factorization.

10005505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001101106.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 10005505505 in words is "ten billion, five million, five hundred five thousand, five hundred five".