1285678413336 has 16 divisors (see below), whose sum is σ = 3214196033400. Its totient is φ = 428559471104.

The previous prime is 1285678413311. The next prime is 1285678413353. The reversal of 1285678413336 is 6333148765821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26784966921 + ... + 26784966968.

Almost surely, 2^{1285678413336} is an apocalyptic number.

It is an amenable number.

1285678413336 is an abundant number, since it is smaller than the sum of its proper divisors (1928517620064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1285678413336 is a wasteful number, since it uses less digits than its factorization.

1285678413336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53569933898 (or 53569933894 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 1285678413336 in words is "one trillion, two hundred eighty-five billion, six hundred seventy-eight million, four hundred thirteen thousand, three hundred thirty-six".