1285678413353 has 2 divisors, whose sum is σ = 1285678413354. Its totient is φ = 1285678413352.

The previous prime is 1285678413311. The next prime is 1285678413359. The reversal of 1285678413353 is 3533148765821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170124648729 + 115553764624 = 1081723^2 + 339932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1285678413353 - 2¹⁸ = 1285678151209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1285678413359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642839206676 + 642839206677.

It is an arithmetic number, because the mean of its divisors is an integer number (642839206677).

Almost surely, 2^{1285678413353} is an apocalyptic number.

It is an amenable number.

1285678413353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285678413353 is an equidigital number, since it uses as much as digits as its factorization.

1285678413353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 56.

The spelling of 1285678413353 in words is "one trillion, two hundred eighty-five billion, six hundred seventy-eight million, four hundred thirteen thousand, three hundred fifty-three".