11554164604441 has 2 divisors, whose sum is σ = 11554164604442. Its totient is φ = 11554164604440.

The previous prime is 11554164604427. The next prime is 11554164604483. The reversal of 11554164604441 is 14440646145511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8120448129600 + 3433716474841 = 2849640^2 + 1853029^2 .

It is an emirp because it is prime and its reverse (14440646145511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11554164604441 - 2⁷ = 11554164604313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11554164604391 and 11554164604400.

It is not a weakly prime, because it can be changed into another prime (11554164614441) 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 as a sum of consecutive naturals, namely, 5777082302220 + 5777082302221.

It is an arithmetic number, because the mean of its divisors is an integer number (5777082302221).

Almost surely, 2^{11554164604441} is an apocalyptic number.

It is an amenable number.

11554164604441 is a deficient number, since it is larger than the sum of its proper divisors (1).

11554164604441 is an equidigital number, since it uses as much as digits as its factorization.

11554164604441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 11554164604441 in words is "eleven trillion, five hundred fifty-four billion, one hundred sixty-four million, six hundred four thousand, four hundred forty-one".