7071530103857 has 2 divisors, whose sum is σ = 7071530103858. Its totient is φ = 7071530103856.

The previous prime is 7071530103853. The next prime is 7071530103887. The reversal of 7071530103857 is 7583010351707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5688721090816 + 1382809013041 = 2385104^2 + 1175929^2 .

It is a cyclic number.

It is not a de Polignac number, because 7071530103857 - 2² = 7071530103853 is a prime.

It is not a weakly prime, because it can be changed into another prime (7071530103853) 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, 3535765051928 + 3535765051929.

It is an arithmetic number, because the mean of its divisors is an integer number (3535765051929).

Almost surely, 2^{7071530103857} is an apocalyptic number.

It is an amenable number.

7071530103857 is a deficient number, since it is larger than the sum of its proper divisors (1).

7071530103857 is an equidigital number, since it uses as much as digits as its factorization.

7071530103857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 7071530103857 in words is "seven trillion, seventy-one billion, five hundred thirty million, one hundred three thousand, eight hundred fifty-seven".