1171784897472 has 224 divisors, whose sum is σ = 3574124789760. Its totient is φ = 331883274240.

The previous prime is 1171784897347. The next prime is 1171784897483. The reversal of 1171784897472 is 2747984871711.

It is a tau number, because it is divible by the number of its divisors (224).

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 31 ways as a sum of consecutive naturals, for example, 293752054 + ... + 293756042.

It is an arithmetic number, because the mean of its divisors is an integer number (15955914240).

Almost surely, 2^{1171784897472} is an apocalyptic number.

1171784897472 is a gapful number since it is divisible by the number (12) 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 1171784897472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787062394880).

1171784897472 is an abundant number, since it is smaller than the sum of its proper divisors (2402339892288).

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

1171784897472 is a wasteful number, since it uses less digits than its factorization.

1171784897472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5859 (or 5849 counting only the distinct ones).

The product of its digits is 44255232, while the sum is 66.

The spelling of 1171784897472 in words is "one trillion, one hundred seventy-one billion, seven hundred eighty-four million, eight hundred ninety-seven thousand, four hundred seventy-two".