68634232771105 has 32 divisors (see below), whose sum is σ = 88273783722240. Its totient is φ = 51048513484800.

The previous prime is 68634232771087. The next prime is 68634232771133. The reversal of 68634232771105 is 50117723243686.

It is not a de Polignac number, because 68634232771105 - 2¹³ = 68634232762913 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12639484 + ... + 17234413.

It is an arithmetic number, because the mean of its divisors is an integer number (2758555741320).

Almost surely, 2^{68634232771105} is an apocalyptic number.

It is an amenable number.

68634232771105 is a deficient number, since it is larger than the sum of its proper divisors (19639550951135).

68634232771105 is a wasteful number, since it uses less digits than its factorization.

68634232771105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29874249.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 68634232771105 in words is "sixty-eight trillion, six hundred thirty-four billion, two hundred thirty-two million, seven hundred seventy-one thousand, one hundred five".