1144550554481 has 2 divisors, whose sum is σ = 1144550554482. Its totient is φ = 1144550554480.

The previous prime is 1144550554463. The next prime is 1144550554513. The reversal of 1144550554481 is 1844550554411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879860884081 + 264689670400 = 938009^2 + 514480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144550554481 is a prime.

It is a super-2 number, since 2×1144550554481² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1144550554681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572275277240 + 572275277241.

It is an arithmetic number, because the mean of its divisors is an integer number (572275277241).

Almost surely, 2^{1144550554481} is an apocalyptic number.

It is an amenable number.

1144550554481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144550554481 is an equidigital number, since it uses as much as digits as its factorization.

1144550554481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280000, while the sum is 47.

The spelling of 1144550554481 in words is "one trillion, one hundred forty-four billion, five hundred fifty million, five hundred fifty-four thousand, four hundred eighty-one".