255265289128 has 16 divisors (see below), whose sum is σ = 478628985780. Its totient is φ = 127630892928.

The previous prime is 255265289107. The next prime is 255265289129. The reversal of 255265289128 is 821982562552.

It can be written as a sum of positive squares in 2 ways, for example, as 167934400804 + 87330888324 = 409798^2 + 295518^2 .

It is not an unprimeable number, because it can be changed into a prime (255265289129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565876 + ... + 911452.

Almost surely, 2^255265289128 is an apocalyptic number.

It is an amenable number.

255265289128 is a deficient number, since it is larger than the sum of its proper divisors (223363696652).

255265289128 is a wasteful number, since it uses less digits than its factorization.

255265289128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437916 (or 437912 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 55.

The spelling of 255265289128 in words is "two hundred fifty-five billion, two hundred sixty-five million, two hundred eighty-nine thousand, one hundred twenty-eight".