10500110505505 has 8 divisors (see below), whose sum is σ = 12610694334312. Its totient is φ = 8393047252608.

The previous prime is 10500110505497. The next prime is 10500110505509. The reversal of 10500110505505 is 50550501100501.

It can be written as a sum of positive squares in 4 ways, for example, as 108971291664 + 10391139213841 = 330108^2 + 3223529^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10500110505505 - 2³ = 10500110505497 is a prime.

It is a super-2 number, since 2×10500110505505² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10500110505509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880137414 + ... + 880149343.

It is an arithmetic number, because the mean of its divisors is an integer number (1576336791789).

Almost surely, 2^{10500110505505} is an apocalyptic number.

It is an amenable number.

10500110505505 is a deficient number, since it is larger than the sum of its proper divisors (2110583828807).

10500110505505 is a wasteful number, since it uses less digits than its factorization.

10500110505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760287955.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 10500110505505 in words is "ten trillion, five hundred billion, one hundred ten million, five hundred five thousand, five hundred five".