11001011010109 has 8 divisors (see below), whose sum is σ = 11009133084600. Its totient is φ = 10992891926016.

The previous prime is 11001011010107. The next prime is 11001011010133. The reversal of 11001011010109 is 90101011010011.

It can be written as a sum of positive squares in 4 ways, for example, as 1692275765625 + 9308735244484 = 1300875^2 + 3051022^2 .

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 11001011010109 - 2¹ = 11001011010107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001011010092 and 11001011010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001011010107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6639577 + ... + 8129329.

It is an arithmetic number, because the mean of its divisors is an integer number (1376141635575).

Almost surely, 2^{11001011010109} is an apocalyptic number.

It is an amenable number.

11001011010109 is a deficient number, since it is larger than the sum of its proper divisors (8122074491).

11001011010109 is a wasteful number, since it uses less digits than its factorization.

11001011010109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495199.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 11001011010109 in words is "eleven trillion, one billion, eleven million, ten thousand, one hundred nine".