11704778322720 has 768 divisors, whose sum is σ = 43662464778240. Its totient is φ = 2580240531456.

The previous prime is 11704778322697. The next prime is 11704778322739. The reversal of 11704778322720 is 2722387740711.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9151507041 + ... + 9151508319.

It is an arithmetic number, because the mean of its divisors is an integer number (56852167680).

Almost surely, 2^{11704778322720} is an apocalyptic number.

11704778322720 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 11704778322720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21831232389120).

11704778322720 is an abundant number, since it is smaller than the sum of its proper divisors (31957686455520).

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

11704778322720 is a wasteful number, since it uses less digits than its factorization.

11704778322720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097 (or 2089 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 51.

The spelling of 11704778322720 in words is "eleven trillion, seven hundred four billion, seven hundred seventy-eight million, three hundred twenty-two thousand, seven hundred twenty".