1061610610213 has 2 divisors, whose sum is σ = 1061610610214. Its totient is φ = 1061610610212.

The previous prime is 1061610610189. The next prime is 1061610610231. The reversal of 1061610610213 is 3120160161601.

Together with next prime (1061610610231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1059207355684 + 2403254529 = 1029178^2 + 49023^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061610610213 - 2⁹ = 1061610609701 is a prime.

It is a super-2 number, since 2×1061610610213² (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 (1061610610273) 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, 530805305106 + 530805305107.

It is an arithmetic number, because the mean of its divisors is an integer number (530805305107).

Almost surely, 2^{1061610610213} is an apocalyptic number.

It is an amenable number.

1061610610213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061610610213 is an equidigital number, since it uses as much as digits as its factorization.

1061610610213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 1061610610213 its reverse (3120160161601), we get a palindrome (4181770771814).

The spelling of 1061610610213 in words is "one trillion, sixty-one billion, six hundred ten million, six hundred ten thousand, two hundred thirteen".