18068540045529 has 8 divisors (see below), whose sum is σ = 24267236266080. Its totient is φ = 11957768594336.

The previous prime is 18068540045497. The next prime is 18068540045539. The reversal of 18068540045529 is 92554004586081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18068540045529 - 2⁵ = 18068540045497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18068540045539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21981191859 + ... + 21981192680.

It is an arithmetic number, because the mean of its divisors is an integer number (3033404533260).

Almost surely, 2^{18068540045529} is an apocalyptic number.

It is an amenable number.

18068540045529 is a deficient number, since it is larger than the sum of its proper divisors (6198696220551).

18068540045529 is a wasteful number, since it uses less digits than its factorization.

18068540045529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43962384679.

The product of its (nonzero) digits is 13824000, while the sum is 57.

The spelling of 18068540045529 in words is "eighteen trillion, sixty-eight billion, five hundred forty million, forty-five thousand, five hundred twenty-nine".