10818106945 has 4 divisors (see below), whose sum is σ = 12981728340. Its totient is φ = 8654485552.

The previous prime is 10818106847. The next prime is 10818106963. The reversal of 10818106945 is 54960181801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8365480369 + 2452626576 = 91463^2 + 49524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10818106945 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081810690 + ... + 1081810699.

It is an arithmetic number, because the mean of its divisors is an integer number (3245432085).

Almost surely, 2^10818106945 is an apocalyptic number.

It is an amenable number.

10818106945 is a deficient number, since it is larger than the sum of its proper divisors (2163621395).

10818106945 is an equidigital number, since it uses as much as digits as its factorization.

10818106945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163621394.

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 10818106945 in words is "ten billion, eight hundred eighteen million, one hundred six thousand, nine hundred forty-five".