9109390789105 has 8 divisors (see below), whose sum is σ = 10931454900072. Its totient is φ = 7287388662528.

The previous prime is 9109390789099. The next prime is 9109390789133. The reversal of 9109390789105 is 5019870939019.

It can be written as a sum of positive squares in 4 ways, for example, as 45491770944 + 9063899018161 = 213288^2 + 3010631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9109390789105 - 2³⁹ = 8559634975217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15172162 + ... + 15761131.

It is an arithmetic number, because the mean of its divisors is an integer number (1366431862509).

Almost surely, 2^{9109390789105} is an apocalyptic number.

It is an amenable number.

9109390789105 is a deficient number, since it is larger than the sum of its proper divisors (1822064110967).

9109390789105 is a wasteful number, since it uses less digits than its factorization.

9109390789105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30992195.

The product of its (nonzero) digits is 5511240, while the sum is 61.

The spelling of 9109390789105 in words is "nine trillion, one hundred nine billion, three hundred ninety million, seven hundred eighty-nine thousand, one hundred five".