1068543705599 has 4 divisors (see below), whose sum is σ = 1070643006120. Its totient is φ = 1066444405080.

The previous prime is 1068543705569. The next prime is 1068543705611. The reversal of 1068543705599 is 9955073458601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1068543705599 - 2²⁸ = 1068275270143 is a prime.

It is a super-2 number, since 2×1068543705599² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068543705569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049649497 + ... + 1049650514.

It is an arithmetic number, because the mean of its divisors is an integer number (267660751530).

Almost surely, 2^{1068543705599} is an apocalyptic number.

1068543705599 is a deficient number, since it is larger than the sum of its proper divisors (2099300521).

1068543705599 is an equidigital number, since it uses as much as digits as its factorization.

1068543705599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099300520.

The product of its (nonzero) digits is 40824000, while the sum is 62.

The spelling of 1068543705599 in words is "one trillion, sixty-eight billion, five hundred forty-three million, seven hundred five thousand, five hundred ninety-nine".