68944111 has 4 divisors (see below), whose sum is σ = 68962752. Its totient is φ = 68925472.

The previous prime is 68944097. The next prime is 68944123. The reversal of 68944111 is 11144986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11144986 = 2 ⋅5572493.

It is a cyclic number.

It is not a de Polignac number, because 68944111 - 2⁵ = 68944079 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 (68944181) 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 3 ways as a sum of consecutive naturals, for example, 1690 + ... + 11863.

It is an arithmetic number, because the mean of its divisors is an integer number (17240688).

Almost surely, 2^68944111 is an apocalyptic number.

68944111 is a deficient number, since it is larger than the sum of its proper divisors (18641).

68944111 is a wasteful number, since it uses less digits than its factorization.

68944111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18640.

The product of its digits is 6912, while the sum is 34.

The square root of 68944111 is about 8303.2590589479. The cubic root of 68944111 is about 410.0458227588.

The spelling of 68944111 in words is "sixty-eight million, nine hundred forty-four thousand, one hundred eleven".