1053661146709 has 2 divisors, whose sum is σ = 1053661146710. Its totient is φ = 1053661146708.

The previous prime is 1053661146691. The next prime is 1053661146731. The reversal of 1053661146709 is 9076411663501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599246292100 + 454414854609 = 774110^2 + 674103^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053661146709 - 2²³ = 1053652758101 is a prime.

It is a super-2 number, since 2×1053661146709² (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 (1053661146749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526830573354 + 526830573355.

It is an arithmetic number, because the mean of its divisors is an integer number (526830573355).

Almost surely, 2^{1053661146709} is an apocalyptic number.

It is an amenable number.

1053661146709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053661146709 is an equidigital number, since it uses as much as digits as its factorization.

1053661146709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 1053661146709 in words is "one trillion, fifty-three billion, six hundred sixty-one million, one hundred forty-six thousand, seven hundred nine".