68611105 has 8 divisors (see below), whose sum is σ = 83376000. Its totient is φ = 54193776.

The previous prime is 68611087. The next prime is 68611111. The reversal of 68611105 is 50111686.

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 68611105 - 2¹³ = 68602913 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86455 + ... + 87244.

It is an arithmetic number, because the mean of its divisors is an integer number (10422000).

Almost surely, 2^68611105 is an apocalyptic number.

It is an amenable number.

68611105 is a deficient number, since it is larger than the sum of its proper divisors (14764895).

68611105 is a wasteful number, since it uses less digits than its factorization.

68611105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173783.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 68611105 is about 8283.1820576394. The cubic root of 68611105 is about 409.3845714212.

The spelling of 68611105 in words is "sixty-eight million, six hundred eleven thousand, one hundred five".