255080101609 has 8 divisors (see below), whose sum is σ = 255480021000. Its totient is φ = 254680453632.

The previous prime is 255080101607. The next prime is 255080101621. The reversal of 255080101609 is 906101080552.

It can be written as a sum of positive squares in 4 ways, for example, as 140944384 + 254939157225 = 11872^2 + 504915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255080101609 - 2¹ = 255080101607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255080101607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855747 + ... + 1988455.

It is an arithmetic number, because the mean of its divisors is an integer number (31935002625).

Almost surely, 2^255080101609 is an apocalyptic number.

It is an amenable number.

255080101609 is a deficient number, since it is larger than the sum of its proper divisors (399919391).

255080101609 is a wasteful number, since it uses less digits than its factorization.

255080101609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135707.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 255080101609 in words is "two hundred fifty-five billion, eighty million, one hundred one thousand, six hundred nine".