1000660651513 has 2 divisors, whose sum is σ = 1000660651514. Its totient is φ = 1000660651512.

The previous prime is 1000660651499. The next prime is 1000660651651. The reversal of 1000660651513 is 3151560660001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 955177838224 + 45482813289 = 977332^2 + 213267^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000660651513 - 2¹⁷ = 1000660520441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000660658513) 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, 500330325756 + 500330325757.

It is an arithmetic number, because the mean of its divisors is an integer number (500330325757).

Almost surely, 2^{1000660651513} is an apocalyptic number.

It is an amenable number.

1000660651513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000660651513 is an equidigital number, since it uses as much as digits as its factorization.

1000660651513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 1000660651513 in words is "one trillion, six hundred sixty million, six hundred fifty-one thousand, five hundred thirteen".