1285307433795 has 192 divisors, whose sum is σ = 2765668396032. Its totient is φ = 502290432000.

The previous prime is 1285307433719. The next prime is 1285307433853. The reversal of 1285307433795 is 5973347035821.

It is a Cunningham number, because it is equal to 1133714²-1.

It is not a de Polignac number, because 1285307433795 - 2¹⁰ = 1285307432771 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 187059210 + ... + 187066080.

It is an arithmetic number, because the mean of its divisors is an integer number (14404522896).

Almost surely, 2^{1285307433795} is an apocalyptic number.

1285307433795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1285307433795 is an abundant number, since it is smaller than the sum of its proper divisors (1480360962237).

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

1285307433795 is a wasteful number, since it uses less digits than its factorization.

1285307433795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282 (or 8275 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 1285307433795 in words is "one trillion, two hundred eighty-five billion, three hundred seven million, four hundred thirty-three thousand, seven hundred ninety-five".