11020909385 has 16 divisors (see below), whose sum is σ = 13263063120. Its totient is φ = 8791453440.

The previous prime is 11020909381. The next prime is 11020909421. The reversal of 11020909385 is 58390902011.

11020909385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 25080064 + 10995829321 = 5008^2 + 104861^2 .

It is not a de Polignac number, because 11020909385 - 2² = 11020909381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020909381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3250271 + ... + 3253659.

It is an arithmetic number, because the mean of its divisors is an integer number (828941445).

Almost surely, 2^11020909385 is an apocalyptic number.

It is an amenable number.

11020909385 is a deficient number, since it is larger than the sum of its proper divisors (2242153735).

11020909385 is a wasteful number, since it uses less digits than its factorization.

11020909385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 11020909385 in words is "eleven billion, twenty million, nine hundred nine thousand, three hundred eighty-five".