85310529120 has 144 divisors (see below), whose sum is σ = 303779784672. Its totient is φ = 21760358400.

The previous prime is 85310529091. The next prime is 85310529121. The reversal of 85310529120 is 2192501358.

85310529120 is a `hidden beast` number, since 8 + 5 + 3 + 1 + 0 + 529 + 120 = 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85310529121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1254781 + ... + 1321020.

It is an arithmetic number, because the mean of its divisors is an integer number (2109581838).

Almost surely, 2^85310529120 is an apocalyptic number.

85310529120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85310529120 is an abundant number, since it is smaller than the sum of its proper divisors (218469255552).

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

85310529120 is a wasteful number, since it uses less digits than its factorization.

85310529120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575845 (or 2575834 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 85310529120 in words is "eighty-five billion, three hundred ten million, five hundred twenty-nine thousand, one hundred twenty".