85811235028851 has 8 divisors (see below), whose sum is σ = 114574110750720. Its totient is φ = 57127924663112.

The previous prime is 85811235028823. The next prime is 85811235028879. The reversal of 85811235028851 is 15882053211858.

It is an interprime number because it is at equal distance from previous prime (85811235028823) and next prime (85811235028879).

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 85811235028851 - 2⁶ = 85811235028787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85811235028791 and 85811235028800.

It is not an unprimeable number, because it can be changed into a prime (85811235028451) 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, 19891336515 + ... + 19891340828.

It is an arithmetic number, because the mean of its divisors is an integer number (14321763843840).

Almost surely, 2^{85811235028851} is an apocalyptic number.

85811235028851 is a deficient number, since it is larger than the sum of its proper divisors (28762875721869).

85811235028851 is a wasteful number, since it uses less digits than its factorization.

85811235028851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39782678065.

The product of its (nonzero) digits is 6144000, while the sum is 57.

The spelling of 85811235028851 in words is "eighty-five trillion, eight hundred eleven billion, two hundred thirty-five million, twenty-eight thousand, eight hundred fifty-one".