68111000 has 32 divisors (see below), whose sum is σ = 159382080. Its totient is φ = 27244000.

The previous prime is 68110967. The next prime is 68111003. The reversal of 68111000 is 11186.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68111003) by changing a digit.

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, 33056 + ... + 35055.

It is an arithmetic number, because the mean of its divisors is an integer number (4980690).

Almost surely, 2^68111000 is an apocalyptic number.

It is an amenable number.

68111000 is an abundant number, since it is smaller than the sum of its proper divisors (91271080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68111000 is a wasteful number, since it uses less digits than its factorization.

68111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68132 (or 68118 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 68111000 is about 8252.9388704873. The cubic root of 68111000 is about 408.3874795151.

Adding to 68111000 its reverse (11186), we get a palindrome (68122186).

The spelling of 68111000 in words is "sixty-eight million, one hundred eleven thousand".