11305388038 has 16 divisors (see below), whose sum is σ = 19436205600. Its totient is φ = 4831281216.

The previous prime is 11305388033. The next prime is 11305388041. The reversal of 11305388038 is 83088350311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11305388033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152031 + ... + 1161802.

It is an arithmetic number, because the mean of its divisors is an integer number (1214762850).

Almost surely, 2^11305388038 is an apocalyptic number.

11305388038 is a deficient number, since it is larger than the sum of its proper divisors (8130817562).

11305388038 is a wasteful number, since it uses less digits than its factorization.

11305388038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314191.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 11305388038 in words is "eleven billion, three hundred five million, three hundred eighty-eight thousand, thirty-eight".