10505055105556 has 18 divisors (see below), whose sum is σ = 20207037817610. Its totient is φ = 4775025047760.

The previous prime is 10505055105533. The next prime is 10505055105607. The reversal of 10505055105556 is 65550155050501.

It can be written as a sum of positive squares in only one way, i.e., 8668666947600 + 1836388157956 = 2944260^2 + 1355134^2 .

It is a super-2 number, since 2×10505055105556² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10852329171 + ... + 10852330138.

Almost surely, 2^{10505055105556} is an apocalyptic number.

It is an amenable number.

10505055105556 is a deficient number, since it is larger than the sum of its proper divisors (9701982712054).

10505055105556 is a wasteful number, since it uses less digits than its factorization.

10505055105556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21704659335 (or 21704659322 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 10505055105556 in words is "ten trillion, five hundred five billion, fifty-five million, one hundred five thousand, five hundred fifty-six".