1560999597120 has 168 divisors, whose sum is σ = 5389150679640. Its totient is φ = 414718894080.

The previous prime is 1560999597097. The next prime is 1560999597161. The reversal of 1560999597120 is 217959990651.

1560999597120 is a `hidden beast` number, since 1 + 5 + 609 + 9 + 9 + 5 + 9 + 7 + 12 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29504245824 + 1531495351296 = 171768^2 + 1237536^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232741 + ... + 1782180.

It is an arithmetic number, because the mean of its divisors is an integer number (32078277855).

Almost surely, 2^{1560999597120} is an apocalyptic number.

1560999597120 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 1560999597120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2694575339820).

1560999597120 is an abundant number, since it is smaller than the sum of its proper divisors (3828151082520).

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

1560999597120 is a wasteful number, since it uses less digits than its factorization.

1560999597120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015213 (or 2015200 counting only the distinct ones).

The product of its (nonzero) digits is 13778100, while the sum is 63.

The spelling of 1560999597120 in words is "one trillion, five hundred sixty billion, nine hundred ninety-nine million, five hundred ninety-seven thousand, one hundred twenty".