68218156711200 has 72 divisors (see below), whose sum is σ = 222050100102768. Its totient is φ = 18191508455680.

The previous prime is 68218156711183. The next prime is 68218156711219. The reversal of 68218156711200 is 211765181286.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 68218156711200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14212113582 + ... + 14212118381.

It is an arithmetic number, because the mean of its divisors is an integer number (3084029168094).

Almost surely, 2^{68218156711200} is an apocalyptic number.

68218156711200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68218156711200 is an abundant number, since it is smaller than the sum of its proper divisors (153831943391568).

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

68218156711200 is a wasteful number, since it uses less digits than its factorization.

68218156711200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28424231986 (or 28424231973 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 68218156711200 in words is "sixty-eight trillion, two hundred eighteen billion, one hundred fifty-six million, seven hundred eleven thousand, two hundred".