68715111 has 8 divisors (see below), whose sum is σ = 92510080. Its totient is φ = 45365112.

The previous prime is 68715109. The next prime is 68715131. The reversal of 68715111 is 11151786.

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

It is not a de Polignac number, because 68715111 - 2¹ = 68715109 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 (68715131) 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, 110881 + ... + 111498.

It is an arithmetic number, because the mean of its divisors is an integer number (11563760).

Almost surely, 2^68715111 is an apocalyptic number.

68715111 is a deficient number, since it is larger than the sum of its proper divisors (23794969).

68715111 is a wasteful number, since it uses less digits than its factorization.

68715111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222485.

The product of its digits is 1680, while the sum is 30.

The square root of 68715111 is about 8289.4578230425. The cubic root of 68715111 is about 409.5913258782.

Adding to 68715111 its reverse (11151786), we get a palindrome (79866897).

The spelling of 68715111 in words is "sixty-eight million, seven hundred fifteen thousand, one hundred eleven".