68575108667109 has 8 divisors (see below), whose sum is σ = 99745612606752. Its totient is φ = 41560671919440.

The previous prime is 68575108667083. The next prime is 68575108667113. The reversal of 68575108667109 is 90176680157586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-68575108667109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68575108667159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039016797954 + ... + 1039016798019.

It is an arithmetic number, because the mean of its divisors is an integer number (12468201575844).

Almost surely, 2^{68575108667109} is an apocalyptic number.

It is an amenable number.

68575108667109 is a deficient number, since it is larger than the sum of its proper divisors (31170503939643).

68575108667109 is a wasteful number, since it uses less digits than its factorization.

68575108667109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078033595987.

The product of its (nonzero) digits is 152409600, while the sum is 69.

The spelling of 68575108667109 in words is "sixty-eight trillion, five hundred seventy-five billion, one hundred eight million, six hundred sixty-seven thousand, one hundred nine".