10581817065107 has 4 divisors (see below), whose sum is σ = 10625725019976. Its totient is φ = 10537909110240.

The previous prime is 10581817065041. The next prime is 10581817065161. The reversal of 10581817065107 is 70156071818501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10581817065107 - 2¹⁶ = 10581816999571 is a prime.

It is a super-2 number, since 2×10581817065107² (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 (10581817062107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21953977073 + ... + 21953977554.

It is an arithmetic number, because the mean of its divisors is an integer number (2656431254994).

Almost surely, 2^{10581817065107} is an apocalyptic number.

10581817065107 is a deficient number, since it is larger than the sum of its proper divisors (43907954869).

10581817065107 is an equidigital number, since it uses as much as digits as its factorization.

10581817065107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43907954868.

The product of its (nonzero) digits is 470400, while the sum is 50.

The spelling of 10581817065107 in words is "ten trillion, five hundred eighty-one billion, eight hundred seventeen million, sixty-five thousand, one hundred seven".