120031078585 has 24 divisors (see below), whose sum is σ = 162600987528. Its totient is φ = 84935980800.

The previous prime is 120031078537. The next prime is 120031078589. The reversal of 120031078585 is 585870130021.

It can be written as a sum of positive squares in 4 ways, for example, as 52707435561 + 67323643024 = 229581^2 + 259468^2 .

It is not a de Polignac number, because 120031078585 - 2⁷ = 120031078457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120031078589) 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, 2658676 + ... + 2703445.

It is an arithmetic number, because the mean of its divisors is an integer number (6775041147).

Almost surely, 2^120031078585 is an apocalyptic number.

It is an amenable number.

120031078585 is a deficient number, since it is larger than the sum of its proper divisors (42569908943).

120031078585 is a wasteful number, since it uses less digits than its factorization.

120031078585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362185 (or 5362174 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 120031078585 in words is "one hundred twenty billion, thirty-one million, seventy-eight thousand, five hundred eighty-five".