68810350511310 has 64 divisors (see below), whose sum is σ = 165242586919680. Its totient is φ = 18338569383680.

The previous prime is 68810350511237. The next prime is 68810350511317. The reversal of 68810350511310 is 1311505301886.

It is a happy number.

It is a super-3 number, since 3×68810350511310³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68810350511317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354809629 + ... + 355003511.

It is an arithmetic number, because the mean of its divisors is an integer number (2581915420620).

Almost surely, 2^{68810350511310} is an apocalyptic number.

68810350511310 is an abundant number, since it is smaller than the sum of its proper divisors (96432236408370).

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

68810350511310 is a wasteful number, since it uses less digits than its factorization.

68810350511310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200833.

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 68810350511310 in words is "sixty-eight trillion, eight hundred ten billion, three hundred fifty million, five hundred eleven thousand, three hundred ten".