1285678413311 has 2 divisors, whose sum is σ = 1285678413312. Its totient is φ = 1285678413310.

The previous prime is 1285678413301. The next prime is 1285678413353. The reversal of 1285678413311 is 1133148765821.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1133148765821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1285678413311 - 2⁶ = 1285678413247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1285678413311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1285678413301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642839206655 + 642839206656.

It is an arithmetic number, because the mean of its divisors is an integer number (642839206656).

Almost surely, 2^{1285678413311} is an apocalyptic number.

1285678413311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285678413311 is an equidigital number, since it uses as much as digits as its factorization.

1285678413311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 50.

The spelling of 1285678413311 in words is "one trillion, two hundred eighty-five billion, six hundred seventy-eight million, four hundred thirteen thousand, three hundred eleven".