851359623611 has 8 divisors (see below), whose sum is σ = 989473655040. Its totient is φ = 717368399208.

The previous prime is 851359623599. The next prime is 851359623613. The reversal of 851359623611 is 116326953158.

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 851359623611 - 2¹⁸ = 851359361467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 851359623611.

It is not an unprimeable number, because it can be changed into a prime (851359623613) 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, 1030701311 + ... + 1030702136.

It is an arithmetic number, because the mean of its divisors is an integer number (123684206880).

Almost surely, 2^851359623611 is an apocalyptic number.

851359623611 is a deficient number, since it is larger than the sum of its proper divisors (138114031429).

851359623611 is a wasteful number, since it uses less digits than its factorization.

851359623611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061403513.

The product of its digits is 1166400, while the sum is 50.

The spelling of 851359623611 in words is "eight hundred fifty-one billion, three hundred fifty-nine million, six hundred twenty-three thousand, six hundred eleven".