10805705870869 has 32 divisors (see below), whose sum is σ = 13308727276544. Its totient is φ = 8543531013120.

The previous prime is 10805705870863. The next prime is 10805705870881. The reversal of 10805705870869 is 96807850750801.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10805705870869 is a prime.

It is a super-2 number, since 2×10805705870869² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10805705870869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10805705870863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1150640164 + ... + 1150649554.

It is an arithmetic number, because the mean of its divisors is an integer number (415897727392).

Almost surely, 2^{10805705870869} is an apocalyptic number.

It is an amenable number.

10805705870869 is a deficient number, since it is larger than the sum of its proper divisors (2503021405675).

10805705870869 is a wasteful number, since it uses less digits than its factorization.

10805705870869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16997.

The product of its (nonzero) digits is 33868800, while the sum is 64.

The spelling of 10805705870869 in words is "ten trillion, eight hundred five billion, seven hundred five million, eight hundred seventy thousand, eight hundred sixty-nine".