68542111227 has 8 divisors (see below), whose sum is σ = 92490560064. Its totient is φ = 45144201608.

The previous prime is 68542111223. The next prime is 68542111237. The reversal of 68542111227 is 72211124586.

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

It is a cyclic number.

It is not a de Polignac number, because 68542111227 - 2² = 68542111223 is a prime.

It is a super-2 number, since 2×68542111227² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68542111223) 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, 137634513 + ... + 137635010.

It is an arithmetic number, because the mean of its divisors is an integer number (11561320008).

Almost surely, 2^68542111227 is an apocalyptic number.

68542111227 is a deficient number, since it is larger than the sum of its proper divisors (23948448837).

68542111227 is a wasteful number, since it uses less digits than its factorization.

68542111227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275269609.

The product of its digits is 53760, while the sum is 39.

The spelling of 68542111227 in words is "sixty-eight billion, five hundred forty-two million, one hundred eleven thousand, two hundred twenty-seven".