85365214121 has 8 divisors (see below), whose sum is σ = 93130353504. Its totient is φ = 77600852320.

The previous prime is 85365214093. The next prime is 85365214139. The reversal of 85365214121 is 12141256358.

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 85365214121 - 2¹⁸ = 85364951977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85365211121) 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, 48341 + ... + 416013.

It is an arithmetic number, because the mean of its divisors is an integer number (11641294188).

Almost surely, 2^85365214121 is an apocalyptic number.

It is an amenable number.

85365214121 is a deficient number, since it is larger than the sum of its proper divisors (7765139383).

85365214121 is a wasteful number, since it uses less digits than its factorization.

85365214121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388791.

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

The spelling of 85365214121 in words is "eighty-five billion, three hundred sixty-five million, two hundred fourteen thousand, one hundred twenty-one".