11201909232 has 20 divisors (see below), whose sum is σ = 28938265640. Its totient is φ = 3733969728.

The previous prime is 11201909227. The next prime is 11201909237. The reversal of 11201909232 is 23290910211.

It is an interprime number because it is at equal distance from previous prime (11201909227) and next prime (11201909237).

It is a self number, because there is not a number n which added to its sum of digits gives 11201909232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201909237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116686507 + ... + 116686602.

It is an arithmetic number, because the mean of its divisors is an integer number (1446913282).

Almost surely, 2^11201909232 is an apocalyptic number.

11201909232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11201909232 is an abundant number, since it is smaller than the sum of its proper divisors (17736356408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11201909232 is a wasteful number, since it uses less digits than its factorization.

11201909232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233373120 (or 233373114 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 11201909232 in words is "eleven billion, two hundred one million, nine hundred nine thousand, two hundred thirty-two".