85132111 has 2 divisors, whose sum is σ = 85132112. Its totient is φ = 85132110.

The previous prime is 85132109. The next prime is 85132121. The reversal of 85132111 is 11123158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85132111 - 2¹ = 85132109 is a prime.

Together with 85132109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85132121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42566055 + 42566056.

It is an arithmetic number, because the mean of its divisors is an integer number (42566056).

Almost surely, 2^85132111 is an apocalyptic number.

85132111 is a deficient number, since it is larger than the sum of its proper divisors (1).

85132111 is an equidigital number, since it uses as much as digits as its factorization.

85132111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 22.

The square root of 85132111 is about 9226.7064004443. The cubic root of 85132111 is about 439.9106412888.

Adding to 85132111 its reverse (11123158), we get a palindrome (96255269).

The spelling of 85132111 in words is "eighty-five million, one hundred thirty-two thousand, one hundred eleven".