1317849886080 has 3072 divisors, whose sum is σ = 6362254080000. Its totient is φ = 254334173184.

The previous prime is 1317849886069. The next prime is 1317849886091. The reversal of 1317849886080 is 806889487131.

1317849886080 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 8 + 498 + 8 + 60 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (1317849886069) and next prime (1317849886091).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1317849885999 and 1317849886017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 45443099506 + ... + 45443099534.

It is an arithmetic number, because the mean of its divisors is an integer number (2071046250).

Almost surely, 2^{1317849886080} is an apocalyptic number.

1317849886080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1317849886080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3181127040000).

1317849886080 is an abundant number, since it is smaller than the sum of its proper divisors (5044404193920).

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

1317849886080 is an equidigital number, since it uses as much as digits as its factorization.

1317849886080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 1317849886080 in words is "one trillion, three hundred seventeen billion, eight hundred forty-nine million, eight hundred eighty-six thousand, eighty".