10505605555555 has 8 divisors (see below), whose sum is σ = 13752792727344. Its totient is φ = 7640440404000.

The previous prime is 10505605555541. The next prime is 10505605555607. The reversal of 10505605555555 is 55555550650501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10505605555555 - 2¹¹ = 10505605553507 is a prime.

It is a super-2 number, since 2×10505605555555² (a number of 27 digits) contains 22 as substring.

10505605555555 is a modest number, since divided by 5555555 gives 1050560 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95505504996 + ... + 95505505105.

It is an arithmetic number, because the mean of its divisors is an integer number (1719099090918).

Almost surely, 2^{10505605555555} is an apocalyptic number.

10505605555555 is a deficient number, since it is larger than the sum of its proper divisors (3247187171789).

10505605555555 is a wasteful number, since it uses less digits than its factorization.

10505605555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191011010117.

The product of its (nonzero) digits is 11718750, while the sum is 52.

The spelling of 10505605555555 in words is "ten trillion, five hundred five billion, six hundred five million, five hundred fifty-five thousand, five hundred fifty-five".