11554164601543 has 8 divisors (see below), whose sum is σ = 12210733825920. Its totient is φ = 10902440907000.

The previous prime is 11554164601531. The next prime is 11554164601621. The reversal of 11554164601543 is 34510646145511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11554164601543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11554164601493 and 11554164601502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554164601513) 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, 1211377555 + ... + 1211387092.

It is an arithmetic number, because the mean of its divisors is an integer number (1526341728240).

Almost surely, 2^{11554164601543} is an apocalyptic number.

11554164601543 is a deficient number, since it is larger than the sum of its proper divisors (656569224377).

11554164601543 is a wasteful number, since it uses less digits than its factorization.

11554164601543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422764917.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 11554164601543 in words is "eleven trillion, five hundred fifty-four billion, one hundred sixty-four million, six hundred one thousand, five hundred forty-three".