1061573595857 has 2 divisors, whose sum is σ = 1061573595858. Its totient is φ = 1061573595856.

The previous prime is 1061573595851. The next prime is 1061573595947. The reversal of 1061573595857 is 7585953751601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 800006813761 + 261566782096 = 894431^2 + 511436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061573595857 - 2⁶ = 1061573595793 is a prime.

It is a super-2 number, since 2×1061573595857² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061573595857.

It is not a weakly prime, because it can be changed into another prime (1061573595851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530786797928 + 530786797929.

It is an arithmetic number, because the mean of its divisors is an integer number (530786797929).

Almost surely, 2^{1061573595857} is an apocalyptic number.

It is an amenable number.

1061573595857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061573595857 is an equidigital number, since it uses as much as digits as its factorization.

1061573595857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690000, while the sum is 62.

The spelling of 1061573595857 in words is "one trillion, sixty-one billion, five hundred seventy-three million, five hundred ninety-five thousand, eight hundred fifty-seven".