11538171363016 has 32 divisors (see below), whose sum is σ = 22046844963960. Its totient is φ = 5659057976832.

The previous prime is 11538171363013. The next prime is 11538171363041. The reversal of 11538171363016 is 61036317183511.

It can be written as a sum of positive squares in 4 ways, for example, as 9685975572900 + 1852195790116 = 3112230^2 + 1360954^2 .

It is not an unprimeable number, because it can be changed into a prime (11538171363013) 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, 786285 + ... + 4867708.

Almost surely, 2^{11538171363016} is an apocalyptic number.

It is an amenable number.

11538171363016 is a deficient number, since it is larger than the sum of its proper divisors (10508673600944).

11538171363016 is a wasteful number, since it uses less digits than its factorization.

11538171363016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658865 (or 5658861 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 11538171363016 in words is "eleven trillion, five hundred thirty-eight billion, one hundred seventy-one million, three hundred sixty-three thousand, sixteen".