255555527578 has 16 divisors (see below), whose sum is σ = 413264877480. Its totient is φ = 117821730816.

The previous prime is 255555527561. The next prime is 255555527611. The reversal of 255555527578 is 875725555552.

255555527578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 173291536089 + 82263991489 = 416283^2 + 286817^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5265975 + ... + 5314282.

Almost surely, 2^255555527578 is an apocalyptic number.

255555527578 is a deficient number, since it is larger than the sum of its proper divisors (157709349902).

255555527578 is a wasteful number, since it uses less digits than its factorization.

255555527578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581201.

The product of its digits is 122500000, while the sum is 61.

The spelling of 255555527578 in words is "two hundred fifty-five billion, five hundred fifty-five million, five hundred twenty-seven thousand, five hundred seventy-eight".