68518708005 has 16 divisors (see below), whose sum is σ = 119596290624. Its totient is φ = 33221191680.

The previous prime is 68518707989. The next prime is 68518708007. The reversal of 68518708005 is 50080781586.

It is not a de Polignac number, because 68518708005 - 2⁴ = 68518707989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68518708007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207632284 + ... + 207632613.

It is an arithmetic number, because the mean of its divisors is an integer number (7474768164).

Almost surely, 2^68518708005 is an apocalyptic number.

It is an amenable number.

68518708005 is a deficient number, since it is larger than the sum of its proper divisors (51077582619).

68518708005 is a wasteful number, since it uses less digits than its factorization.

68518708005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415264916.

The product of its (nonzero) digits is 537600, while the sum is 48.

The spelling of 68518708005 in words is "sixty-eight billion, five hundred eighteen million, seven hundred eight thousand, five".