10005105550 has 24 divisors (see below), whose sum is σ = 20301269832. Its totient is φ = 3638220000.

The previous prime is 10005105497. The next prime is 10005105563. The reversal of 10005105550 is 5550150001.

10005105550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9095001 + ... + 9096100.

It is an arithmetic number, because the mean of its divisors is an integer number (845886243).

Almost surely, 2^10005105550 is an apocalyptic number.

10005105550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10005105550 is an abundant number, since it is smaller than the sum of its proper divisors (10296164282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10005105550 is a wasteful number, since it uses less digits than its factorization.

10005105550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18191124 (or 18191119 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

Adding to 10005105550 its reverse (5550150001), we get a palindrome (15555255551).

The spelling of 10005105550 in words is "ten billion, five million, one hundred five thousand, five hundred fifty".