544360211081 has 2 divisors, whose sum is σ = 544360211082. Its totient is φ = 544360211080.

The previous prime is 544360211071. The next prime is 544360211149. The reversal of 544360211081 is 180112063445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383017405456 + 161342805625 = 618884^2 + 401675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544360211081 is a prime.

It is a super-3 number, since 3×544360211081³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (544360211041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272180105540 + 272180105541.

It is an arithmetic number, because the mean of its divisors is an integer number (272180105541).

Almost surely, 2^544360211081 is an apocalyptic number.

It is an amenable number.

544360211081 is a deficient number, since it is larger than the sum of its proper divisors (1).

544360211081 is an equidigital number, since it uses as much as digits as its factorization.

544360211081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 544360211081 in words is "five hundred forty-four billion, three hundred sixty million, two hundred eleven thousand, eighty-one".