11734821236 has 24 divisors (see below), whose sum is σ = 20828513160. Its totient is φ = 5784210432.

The previous prime is 11734821233. The next prime is 11734821277. The reversal of 11734821236 is 63212843711.

It can be written as a sum of positive squares in 4 ways, for example, as 380640100 + 11354181136 = 19510^2 + 106556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11734821236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11734821233) 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 7 ways as a sum of consecutive naturals, for example, 71066 + ... + 168878.

It is an arithmetic number, because the mean of its divisors is an integer number (867854715).

Almost surely, 2^11734821236 is an apocalyptic number.

It is an amenable number.

11734821236 is a deficient number, since it is larger than the sum of its proper divisors (9093691924).

11734821236 is a wasteful number, since it uses less digits than its factorization.

11734821236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98243 (or 98241 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The spelling of 11734821236 in words is "eleven billion, seven hundred thirty-four million, eight hundred twenty-one thousand, two hundred thirty-six".