5781281201441 has 4 divisors (see below), whose sum is σ = 5784617199252. Its totient is φ = 5777945203632.

The previous prime is 5781281201431. The next prime is 5781281201467. The reversal of 5781281201441 is 1441021821875.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3851029459216 + 1930251742225 = 1962404^2 + 1389335^2 .

It is a cyclic number.

It is not a de Polignac number, because 5781281201441 - 2¹⁰ = 5781281200417 is a prime.

It is a super-4 number, since 4×5781281201441⁴ (a number of 52 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5781281201392 and 5781281201401.

It is not an unprimeable number, because it can be changed into a prime (5781281201431) 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 3 ways as a sum of consecutive naturals, for example, 1667996306 + ... + 1667999771.

It is an arithmetic number, because the mean of its divisors is an integer number (1446154299813).

Almost surely, 2^{5781281201441} is an apocalyptic number.

It is an amenable number.

5781281201441 is a deficient number, since it is larger than the sum of its proper divisors (3335997811).

5781281201441 is a wasteful number, since it uses less digits than its factorization.

5781281201441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335997810.

The product of its (nonzero) digits is 143360, while the sum is 44.

The spelling of 5781281201441 in words is "five trillion, seven hundred eighty-one billion, two hundred eighty-one million, two hundred one thousand, four hundred forty-one".