85610111 has 2 divisors, whose sum is σ = 85610112. Its totient is φ = 85610110.

The previous prime is 85610087. The next prime is 85610123. The reversal of 85610111 is 11101658.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85610111 is a prime.

It is a super-2 number, since 2×85610111² = 14658182210864642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85610141) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42805055 + 42805056.

It is an arithmetic number, because the mean of its divisors is an integer number (42805056).

Almost surely, 2^85610111 is an apocalyptic number.

85610111 is a deficient number, since it is larger than the sum of its proper divisors (1).

85610111 is an equidigital number, since it uses as much as digits as its factorization.

85610111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 23.

The square root of 85610111 is about 9252.5732096536. The cubic root of 85610111 is about 440.7324422598.

Adding to 85610111 its reverse (11101658), we get a palindrome (96711769).

The spelling of 85610111 in words is "eighty-five million, six hundred ten thousand, one hundred eleven".