85240799011 has 4 divisors (see below), whose sum is σ = 86022824800. Its totient is φ = 84458773224.

The previous prime is 85240798991. The next prime is 85240799041. The reversal of 85240799011 is 11099704258.

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 85240799011 - 2⁹ = 85240798499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85240799041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391012731 + ... + 391012948.

It is an arithmetic number, because the mean of its divisors is an integer number (21505706200).

Almost surely, 2^85240799011 is an apocalyptic number.

85240799011 is a deficient number, since it is larger than the sum of its proper divisors (782025789).

85240799011 is a wasteful number, since it uses less digits than its factorization.

85240799011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782025788.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 85240799011 in words is "eighty-five billion, two hundred forty million, seven hundred ninety-nine thousand, eleven".