10800318645 has 24 divisors (see below), whose sum is σ = 18722985216. Its totient is φ = 5759421408.

The previous prime is 10800318631. The next prime is 10800318647. The reversal of 10800318645 is 54681300801.

10800318645 is a `hidden beast` number, since 1 + 0 + 8 + 0 + 0 + 3 + 1 + 8 + 645 = 666.

It is not a de Polignac number, because 10800318645 - 2⁴ = 10800318629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10800318647) 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 23 ways as a sum of consecutive naturals, for example, 612624 + ... + 630006.

It is an arithmetic number, because the mean of its divisors is an integer number (780124384).

Almost surely, 2^10800318645 is an apocalyptic number.

10800318645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10800318645 is a deficient number, since it is larger than the sum of its proper divisors (7922666571).

10800318645 is a wasteful number, since it uses less digits than its factorization.

10800318645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31201 (or 31198 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 10800318645 in words is "ten billion, eight hundred million, three hundred eighteen thousand, six hundred forty-five".