1287465959560 has 32 divisors (see below), whose sum is σ = 3160143720000. Its totient is φ = 468169439680.

The previous prime is 1287465959537. The next prime is 1287465959581. The reversal of 1287465959560 is 659595647821.

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, 1463029060 + ... + 1463029939.

It is an arithmetic number, because the mean of its divisors is an integer number (98754491250).

Almost surely, 2^{1287465959560} is an apocalyptic number.

1287465959560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1287465959560 is an abundant number, since it is smaller than the sum of its proper divisors (1872677760440).

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

1287465959560 is a wasteful number, since it uses less digits than its factorization.

1287465959560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926059021 (or 2926059017 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 67.

The spelling of 1287465959560 in words is "one trillion, two hundred eighty-seven billion, four hundred sixty-five million, nine hundred fifty-nine thousand, five hundred sixty".