11020323309 has 8 divisors (see below), whose sum is σ = 14895049152. Its totient is φ = 7246239840.

The previous prime is 11020323299. The next prime is 11020323311. The reversal of 11020323309 is 90332302011.

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

It is not a de Polignac number, because 11020323309 - 2¹¹ = 11020321261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020323329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25160337 + ... + 25160774.

It is an arithmetic number, because the mean of its divisors is an integer number (1861881144).

Almost surely, 2^11020323309 is an apocalyptic number.

It is an amenable number.

11020323309 is a deficient number, since it is larger than the sum of its proper divisors (3874725843).

11020323309 is an equidigital number, since it uses as much as digits as its factorization.

11020323309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50321187.

The product of its (nonzero) digits is 972, while the sum is 24.

The spelling of 11020323309 in words is "eleven billion, twenty million, three hundred twenty-three thousand, three hundred nine".