1391160798720 has 1920 divisors, whose sum is σ = 6419880529920. Its totient is φ = 269525975040.

The previous prime is 1391160798719. The next prime is 1391160798761. The reversal of 1391160798720 is 278970611931.

It is a happy number.

1391160798720 is a `hidden beast` number, since 1 + 3 + 9 + 1 + 1 + 607 + 9 + 8 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5820756361 + ... + 5820756599.

It is an arithmetic number, because the mean of its divisors is an integer number (3343687776).

Almost surely, 2^{1391160798720} is an apocalyptic number.

1391160798720 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 1391160798720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3209940264960).

1391160798720 is an abundant number, since it is smaller than the sum of its proper divisors (5028719731200).

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

1391160798720 is a wasteful number, since it uses less digits than its factorization.

1391160798720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 1391160798720 in words is "one trillion, three hundred ninety-one billion, one hundred sixty million, seven hundred ninety-eight thousand, seven hundred twenty".