85175111 has 4 divisors (see below), whose sum is σ = 97342992. Its totient is φ = 73007232.

The previous prime is 85175099. The next prime is 85175137. The reversal of 85175111 is 11157158.

It is a happy number.

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 85175111 - 2¹⁴ = 85158727 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 (85175171) 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, 6083930 + ... + 6083943.

It is an arithmetic number, because the mean of its divisors is an integer number (24335748).

Almost surely, 2^85175111 is an apocalyptic number.

85175111 is a deficient number, since it is larger than the sum of its proper divisors (12167881).

85175111 is a wasteful number, since it uses less digits than its factorization.

85175111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12167880.

The product of its digits is 1400, while the sum is 29.

The square root of 85175111 is about 9229.0362985525. The cubic root of 85175111 is about 439.9846947155.

The spelling of 85175111 in words is "eighty-five million, one hundred seventy-five thousand, one hundred eleven".