68587311103 has 4 divisors (see below), whose sum is σ = 68587859320. Its totient is φ = 68586762888.

The previous prime is 68587311073. The next prime is 68587311109. The reversal of 68587311103 is 30111378586.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 68587311103 - 2⁵ = 68587311071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68587311103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68587311109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15676 + ... + 370702.

It is an arithmetic number, because the mean of its divisors is an integer number (17146964830).

Almost surely, 2^68587311103 is an apocalyptic number.

68587311103 is a deficient number, since it is larger than the sum of its proper divisors (548217).

68587311103 is a wasteful number, since it uses less digits than its factorization.

68587311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548216.

The product of its (nonzero) digits is 120960, while the sum is 43.

Adding to 68587311103 its reverse (30111378586), we get a palindrome (98698689689).

The spelling of 68587311103 in words is "sixty-eight billion, five hundred eighty-seven million, three hundred eleven thousand, one hundred three".