1061327701691 has 2 divisors, whose sum is σ = 1061327701692. Its totient is φ = 1061327701690.

The previous prime is 1061327701633. The next prime is 1061327701697. The reversal of 1061327701691 is 1961077231601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1061327701691 - 2⁶ = 1061327701627 is a prime.

It is a super-2 number, since 2×1061327701691² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1061327701697) 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, 530663850845 + 530663850846.

It is an arithmetic number, because the mean of its divisors is an integer number (530663850846).

Almost surely, 2^{1061327701691} is an apocalyptic number.

1061327701691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061327701691 is an equidigital number, since it uses as much as digits as its factorization.

1061327701691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 1061327701691 in words is "one trillion, sixty-one billion, three hundred twenty-seven million, seven hundred one thousand, six hundred ninety-one".