1061005660511 has 2 divisors, whose sum is σ = 1061005660512. Its totient is φ = 1061005660510.

The previous prime is 1061005660501. The next prime is 1061005660607. The reversal of 1061005660511 is 1150665001601.

It is a weak prime.

It is an emirp because it is prime and its reverse (1150665001601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061005660511 is a prime.

It is a super-2 number, since 2×1061005660511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061005660501) 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, 530502830255 + 530502830256.

It is an arithmetic number, because the mean of its divisors is an integer number (530502830256).

Almost surely, 2^{1061005660511} is an apocalyptic number.

1061005660511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061005660511 is an equidigital number, since it uses as much as digits as its factorization.

1061005660511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 1061005660511 in words is "one trillion, sixty-one billion, five million, six hundred sixty thousand, five hundred eleven".