68006327551117 has 4 divisors (see below), whose sum is σ = 68006359072960. Its totient is φ = 68006296029276.

The previous prime is 68006327551103. The next prime is 68006327551157. The reversal of 68006327551117 is 71115572360086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68006327551117 - 2²⁷ = 68006193333389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68006327551157) 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, 12266517 + ... + 16925722.

It is an arithmetic number, because the mean of its divisors is an integer number (17001589768240).

Almost surely, 2^{68006327551117} is an apocalyptic number.

It is an amenable number.

68006327551117 is a deficient number, since it is larger than the sum of its proper divisors (31521843).

68006327551117 is a wasteful number, since it uses less digits than its factorization.

68006327551117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31521842.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 68006327551117 in words is "sixty-eight trillion, six billion, three hundred twenty-seven million, five hundred fifty-one thousand, one hundred seventeen".