1285260627180 has 48 divisors (see below), whose sum is σ = 3598819275744. Its totient is φ = 342727641600.

The previous prime is 1285260627139. The next prime is 1285260627191. The reversal of 1285260627180 is 817260625821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2383534 + ... + 2872586.

It is an arithmetic number, because the mean of its divisors is an integer number (74975401578).

Almost surely, 2^{1285260627180} is an apocalyptic number.

1285260627180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1285260627180 is an abundant number, since it is smaller than the sum of its proper divisors (2313558648564).

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

1285260627180 is a wasteful number, since it uses less digits than its factorization.

1285260627180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532866 (or 532864 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 1285260627180 in words is "one trillion, two hundred eighty-five billion, two hundred sixty million, six hundred twenty-seven thousand, one hundred eighty".