255023532009 has 6 divisors (see below), whose sum is σ = 368367324026. Its totient is φ = 170015688000.

The previous prime is 255023532007. The next prime is 255023532031. The reversal of 255023532009 is 900235320552.

It can be written as a sum of positive squares in only one way, i.e., 207389160000 + 47634372009 = 455400^2 + 218253^2 .

It is not a de Polignac number, because 255023532009 - 2¹ = 255023532007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255023532007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14167973992 + ... + 14167974009.

Almost surely, 2^255023532009 is an apocalyptic number.

It is an amenable number.

255023532009 is a deficient number, since it is larger than the sum of its proper divisors (113343792017).

255023532009 is a wasteful number, since it uses less digits than its factorization.

255023532009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28335948007 (or 28335948004 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 255023532009 in words is "two hundred fifty-five billion, twenty-three million, five hundred thirty-two thousand, nine".