85645913151 has 16 divisors (see below), whose sum is σ = 118582259040. Its totient is φ = 54941575680.

The previous prime is 85645913149. The next prime is 85645913191. The reversal of 85645913151 is 15131954658.

It is not a de Polignac number, because 85645913151 - 2¹ = 85645913149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85645913151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85645913191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4760256 + ... + 4778213.

It is an arithmetic number, because the mean of its divisors is an integer number (7411391190).

Almost surely, 2^85645913151 is an apocalyptic number.

85645913151 is a deficient number, since it is larger than the sum of its proper divisors (32936345889).

85645913151 is a wasteful number, since it uses less digits than its factorization.

85645913151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9538586.

The product of its digits is 648000, while the sum is 48.

The spelling of 85645913151 in words is "eighty-five billion, six hundred forty-five million, nine hundred thirteen thousand, one hundred fifty-one".