11554442406205 has 16 divisors (see below), whose sum is σ = 14934505734720. Its totient is φ = 8553398732928.

The previous prime is 11554442406203. The next prime is 11554442406271. The reversal of 11554442406205 is 50260424445511.

It is a cyclic number.

It is not a de Polignac number, because 11554442406205 - 2¹ = 11554442406203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554442406203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1414248352 + ... + 1414256521.

It is an arithmetic number, because the mean of its divisors is an integer number (933406608420).

Almost surely, 2^{11554442406205} is an apocalyptic number.

It is an amenable number.

11554442406205 is a deficient number, since it is larger than the sum of its proper divisors (3380063328515).

11554442406205 is a wasteful number, since it uses less digits than its factorization.

11554442406205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828504940.

The product of its (nonzero) digits is 768000, while the sum is 43.

The spelling of 11554442406205 in words is "eleven trillion, five hundred fifty-four billion, four hundred forty-two million, four hundred six thousand, two hundred five".