105550005556 has 24 divisors (see below), whose sum is σ = 195525681120. Its totient is φ = 49770168672.

The previous prime is 105550005529. The next prime is 105550005557. The reversal of 105550005556 is 655500055501.

It is a super-2 number, since 2×105550005556² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550005557) 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, 10575406 + ... + 10585381.

It is an arithmetic number, because the mean of its divisors is an integer number (8146903380).

Almost surely, 2^105550005556 is an apocalyptic number.

It is an amenable number.

105550005556 is a deficient number, since it is larger than the sum of its proper divisors (89975675564).

105550005556 is a wasteful number, since it uses less digits than its factorization.

105550005556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21160863 (or 21160861 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 105550005556 in words is "one hundred five billion, five hundred fifty million, five thousand, five hundred fifty-six".