85055025312 has 144 divisors (see below), whose sum is σ = 243022957632. Its totient is φ = 28217548800.

The previous prime is 85055025287. The next prime is 85055025329. The reversal of 85055025312 is 21352055058.

85055025312 is a `hidden beast` number, since 8 + 50 + 550 + 2 + 53 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80927187 + ... + 80928237.

It is an arithmetic number, because the mean of its divisors is an integer number (1687659428).

Almost surely, 2^85055025312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85055025312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121511478816).

85055025312 is an abundant number, since it is smaller than the sum of its proper divisors (157967932320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85055025312 is a wasteful number, since it uses less digits than its factorization.

85055025312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 85055025312 in words is "eighty-five billion, fifty-five million, twenty-five thousand, three hundred twelve".