10705500666121 has 4 divisors (see below), whose sum is σ = 10705616982144. Its totient is φ = 10705384350100.

The previous prime is 10705500666073. The next prime is 10705500666127. The reversal of 10705500666121 is 12166600550701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10705500666121 - 2¹⁵ = 10705500633353 is a prime.

It is a super-2 number, since 2×10705500666121² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10705500666127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58019845 + ... + 58204066.

It is an arithmetic number, because the mean of its divisors is an integer number (2676404245536).

Almost surely, 2^{10705500666121} is an apocalyptic number.

It is an amenable number.

10705500666121 is a deficient number, since it is larger than the sum of its proper divisors (116316023).

10705500666121 is an equidigital number, since it uses as much as digits as its factorization.

10705500666121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116316022.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 10705500666121 in words is "ten trillion, seven hundred five billion, five hundred million, six hundred sixty-six thousand, one hundred twenty-one".