1718112749824 has 243 divisors, whose sum is σ = 3751296632811. Its totient is φ = 785202462720.

The previous prime is 1718112749819. The next prime is 1718112749833. The reversal of 1718112749824 is 4289472118171.

The square root of 1718112749824 is 1310768.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 158531385600 + 1559581364224 = 398160^2 + 1248832^2 .

It is a super-2 number, since 2×1718112749824² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21748262617 + ... + 21748262695.

Almost surely, 2^{1718112749824} is an apocalyptic number.

1718112749824 is the 1310768-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1718112749824

1718112749824 is an abundant number, since it is smaller than the sum of its proper divisors (2033183882987).

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

1718112749824 is an frugal number, since it uses more digits than its factorization.

1718112749824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 159 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 55.

The spelling of 1718112749824 in words is "one trillion, seven hundred eighteen billion, one hundred twelve million, seven hundred forty-nine thousand, eight hundred twenty-four".