68810350511080 has 128 divisors (see below), whose sum is σ = 166782189974400. Its totient is φ = 25465999491072.

The previous prime is 68810350511051. The next prime is 68810350511101. The reversal of 68810350511080 is 8011505301886.

It is a self number, because there is not a number n which added to its sum of digits gives 68810350511080.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278081172 + ... + 278328508.

It is an arithmetic number, because the mean of its divisors is an integer number (1302985859175).

Almost surely, 2^{68810350511080} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68810350511080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83391094987200).

68810350511080 is an abundant number, since it is smaller than the sum of its proper divisors (97971839463320).

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

68810350511080 is a wasteful number, since it uses less digits than its factorization.

68810350511080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255923 (or 255919 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 46.

The spelling of 68810350511080 in words is "sixty-eight trillion, eight hundred ten billion, three hundred fifty million, five hundred eleven thousand, eighty".