7128045075841 has 2 divisors, whose sum is σ = 7128045075842. Its totient is φ = 7128045075840.

The previous prime is 7128045075803. The next prime is 7128045075911. The reversal of 7128045075841 is 1485705408217.

7128045075841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6799165765441 + 328879310400 = 2607521^2 + 573480^2 .

It is a cyclic number.

It is not a de Polignac number, because 7128045075841 - 2²¹ = 7128042978689 is a prime.

It is a super-2 number, since 2×7128045075841² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7128045073841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3564022537920 + 3564022537921.

It is an arithmetic number, because the mean of its divisors is an integer number (3564022537921).

Almost surely, 2^{7128045075841} is an apocalyptic number.

It is an amenable number.

7128045075841 is a deficient number, since it is larger than the sum of its proper divisors (1).

7128045075841 is an equidigital number, since it uses as much as digits as its factorization.

7128045075841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2508800, while the sum is 52.

The spelling of 7128045075841 in words is "seven trillion, one hundred twenty-eight billion, forty-five million, seventy-five thousand, eight hundred forty-one".