10505116666655 has 16 divisors (see below), whose sum is σ = 14374422082944. Its totient is φ = 7301293754880.

The previous prime is 10505116666633. The next prime is 10505116666663. The reversal of 10505116666655 is 55666661150501.

It is not a de Polignac number, because 10505116666655 - 2²⁶ = 10505049557791 is a prime.

It is a super-2 number, since 2×10505116666655² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10505116666597 and 10505116666606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4753445351 + ... + 4753447560.

It is an arithmetic number, because the mean of its divisors is an integer number (898401380184).

Almost surely, 2^{10505116666655} is an apocalyptic number.

10505116666655 is a deficient number, since it is larger than the sum of its proper divisors (3869305416289).

10505116666655 is a wasteful number, since it uses less digits than its factorization.

10505116666655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506892946.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 10505116666655 in words is "ten trillion, five hundred five billion, one hundred sixteen million, six hundred sixty-six thousand, six hundred fifty-five".