85601368511 has 4 divisors (see below), whose sum is σ = 87422674272. Its totient is φ = 83780062752.

The previous prime is 85601368507. The next prime is 85601368519. The reversal of 85601368511 is 11586310658.

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 85601368511 - 2² = 85601368507 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 (85601368519) 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, 910652810 + ... + 910652903.

It is an arithmetic number, because the mean of its divisors is an integer number (21855668568).

Almost surely, 2^85601368511 is an apocalyptic number.

85601368511 is a deficient number, since it is larger than the sum of its proper divisors (1821305761).

85601368511 is a wasteful number, since it uses less digits than its factorization.

85601368511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821305760.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 85601368511 in words is "eighty-five billion, six hundred one million, three hundred sixty-eight thousand, five hundred eleven".