1285387227480 has 32 divisors (see below), whose sum is σ = 3856161682800. Its totient is φ = 342769927296.

The previous prime is 1285387227457. The next prime is 1285387227491. The reversal of 1285387227480 is 847227835821.

It is a self number, because there is not a number n which added to its sum of digits gives 1285387227480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5355779995 + ... + 5355780234.

Almost surely, 2^{1285387227480} is an apocalyptic number.

1285387227480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1285387227480 is an abundant number, since it is smaller than the sum of its proper divisors (2570774455320).

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

1285387227480 is a wasteful number, since it uses less digits than its factorization.

1285387227480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711560243 (or 10711560239 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 1285387227480 in words is "one trillion, two hundred eighty-five billion, three hundred eighty-seven million, two hundred twenty-seven thousand, four hundred eighty".