11013020313209 has 4 divisors (see below), whose sum is σ = 11085954222720. Its totient is φ = 10940086403700.

The previous prime is 11013020313131. The next prime is 11013020313221. The reversal of 11013020313209 is 90231302031011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013020313209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11013020316209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36466954529 + ... + 36466954830.

It is an arithmetic number, because the mean of its divisors is an integer number (2771488555680).

Almost surely, 2^{11013020313209} is an apocalyptic number.

It is an amenable number.

11013020313209 is a deficient number, since it is larger than the sum of its proper divisors (72933909511).

11013020313209 is an equidigital number, since it uses as much as digits as its factorization.

11013020313209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72933909510.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 11013020313209 in words is "eleven trillion, thirteen billion, twenty million, three hundred thirteen thousand, two hundred nine".