85702571111 has 4 divisors (see below), whose sum is σ = 85743995400. Its totient is φ = 85661146824.

The previous prime is 85702571081. The next prime is 85702571137. The reversal of 85702571111 is 11117520758.

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 85702571111 - 2¹⁰ = 85702570087 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 (85702531111) 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, 20709041 + ... + 20713178.

It is an arithmetic number, because the mean of its divisors is an integer number (21435998850).

Almost surely, 2^85702571111 is an apocalyptic number.

85702571111 is a deficient number, since it is larger than the sum of its proper divisors (41424289).

85702571111 is a wasteful number, since it uses less digits than its factorization.

85702571111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41424288.

The product of its (nonzero) digits is 19600, while the sum is 38.

The spelling of 85702571111 in words is "eighty-five billion, seven hundred two million, five hundred seventy-one thousand, one hundred eleven".