10665380085813 has 36 divisors (see below), whose sum is σ = 15972464753440. Its totient is φ = 6857597611872.

The previous prime is 10665380085769. The next prime is 10665380085853. The reversal of 10665380085813 is 31858008356601.

10665380085813 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 53 + 8 + 0 + 0 + 8 + 581 + 3 = 666.

It is not a de Polignac number, because 10665380085813 - 2¹⁰ = 10665380084789 is a prime.

It is a super-2 number, since 2×10665380085813² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10665380085813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10665380085853) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6189270 + ... + 7722552.

Almost surely, 2^{10665380085813} is an apocalyptic number.

It is an amenable number.

10665380085813 is a deficient number, since it is larger than the sum of its proper divisors (5307084667627).

10665380085813 is a wasteful number, since it uses less digits than its factorization.

10665380085813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534266 (or 1534234 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 10665380085813 in words is "ten trillion, six hundred sixty-five billion, three hundred eighty million, eighty-five thousand, eight hundred thirteen".