68711127558 has 16 divisors (see below), whose sum is σ = 138297558000. Its totient is φ = 22757825376.

The previous prime is 68711127517. The next prime is 68711127559. The reversal of 68711127558 is 85572111786.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68711127558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68711127559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36469933 + ... + 36471816.

It is an arithmetic number, because the mean of its divisors is an integer number (8643597375).

Almost surely, 2^68711127558 is an apocalyptic number.

68711127558 is an abundant number, since it is smaller than the sum of its proper divisors (69586430442).

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

68711127558 is a wasteful number, since it uses less digits than its factorization.

68711127558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72941911.

The product of its digits is 940800, while the sum is 51.

The spelling of 68711127558 in words is "sixty-eight billion, seven hundred eleven million, one hundred twenty-seven thousand, five hundred fifty-eight".