85656204011 has 8 divisors (see below), whose sum is σ = 98320285920. Its totient is φ = 73098992448.

The previous prime is 85656203957. The next prime is 85656204019. The reversal of 85656204011 is 11040265658.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85656204011 - 2¹⁸ = 85655941867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85656204019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26715866 + ... + 26719071.

It is an arithmetic number, because the mean of its divisors is an integer number (12290035740).

Almost surely, 2^85656204011 is an apocalyptic number.

85656204011 is a deficient number, since it is larger than the sum of its proper divisors (12664081909).

85656204011 is a wasteful number, since it uses less digits than its factorization.

85656204011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53435173.

The product of its (nonzero) digits is 57600, while the sum is 38.

Adding to 85656204011 its reverse (11040265658), we get a palindrome (96696469669).

The spelling of 85656204011 in words is "eighty-five billion, six hundred fifty-six million, two hundred four thousand, eleven".