68570111 has 4 divisors (see below), whose sum is σ = 68651352. Its totient is φ = 68488872.

The previous prime is 68570093. The next prime is 68570119. The reversal of 68570111 is 11107586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68570111 - 2²² = 64375807 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 (68570119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39341 + ... + 41046.

It is an arithmetic number, because the mean of its divisors is an integer number (17162838).

Almost surely, 2^68570111 is an apocalyptic number.

68570111 is a deficient number, since it is larger than the sum of its proper divisors (81241).

68570111 is an equidigital number, since it uses as much as digits as its factorization.

68570111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81240.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 68570111 is about 8280.7071557929. The cubic root of 68570111 is about 409.3030216749.

Adding to 68570111 its reverse (11107586), we get a palindrome (79677697).

The spelling of 68570111 in words is "sixty-eight million, five hundred seventy thousand, one hundred eleven".