85152391005851 has 4 divisors (see below), whose sum is σ = 91702574929392. Its totient is φ = 78602207082312.

The previous prime is 85152391005833. The next prime is 85152391005853. The reversal of 85152391005851 is 15850019325158.

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 85152391005851 - 2³⁴ = 85135211136667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85152391005793 and 85152391005802.

It is not an unprimeable number, because it can be changed into a prime (85152391005853) 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, 3275091961751 + ... + 3275091961776.

It is an arithmetic number, because the mean of its divisors is an integer number (22925643732348).

Almost surely, 2^{85152391005851} is an apocalyptic number.

85152391005851 is a deficient number, since it is larger than the sum of its proper divisors (6550183923541).

85152391005851 is a wasteful number, since it uses less digits than its factorization.

85152391005851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550183923540.

The product of its (nonzero) digits is 2160000, while the sum is 53.

The spelling of 85152391005851 in words is "eighty-five trillion, one hundred fifty-two billion, three hundred ninety-one million, five thousand, eight hundred fifty-one".