11655044443201 has 2 divisors, whose sum is σ = 11655044443202. Its totient is φ = 11655044443200.

The previous prime is 11655044443121. The next prime is 11655044443219. The reversal of 11655044443201 is 10234444055611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11633038204176 + 22006239025 = 3410724^2 + 148345^2 .

It is a cyclic number.

It is not a de Polignac number, because 11655044443201 - 2⁹ = 11655044442689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11655044443291) 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, 5827522221600 + 5827522221601.

It is an arithmetic number, because the mean of its divisors is an integer number (5827522221601).

Almost surely, 2^{11655044443201} is an apocalyptic number.

It is an amenable number.

11655044443201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11655044443201 is an equidigital number, since it uses as much as digits as its factorization.

11655044443201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 11655044443201 its reverse (10234444055611), we get a palindrome (21889488498812).

The spelling of 11655044443201 in words is "eleven trillion, six hundred fifty-five billion, forty-four million, four hundred forty-three thousand, two hundred one".