68461111 has 8 divisors (see below), whose sum is σ = 69730848. Its totient is φ = 67200000.

The previous prime is 68461109. The next prime is 68461171. The reversal of 68461111 is 11116486.

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 68461111 - 2¹ = 68461109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68461111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68461171) 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, 15111 + ... + 19111.

It is an arithmetic number, because the mean of its divisors is an integer number (8716356).

Almost surely, 2^68461111 is an apocalyptic number.

68461111 is a deficient number, since it is larger than the sum of its proper divisors (1269737).

68461111 is a wasteful number, since it uses less digits than its factorization.

68461111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313.

The product of its digits is 1152, while the sum is 28.

The square root of 68461111 is about 8274.1229746723. The cubic root of 68461111 is about 409.0860287349.

Adding to 68461111 its reverse (11116486), we get a palindrome (79577597).

The spelling of 68461111 in words is "sixty-eight million, four hundred sixty-one thousand, one hundred eleven".