255525278027 has 4 divisors (see below), whose sum is σ = 255777525120. Its totient is φ = 255273030936.

The previous prime is 255525278011. The next prime is 255525278039. The reversal of 255525278027 is 720872525552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255525278027 - 2⁴ = 255525278011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255525278527) 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, 126122027 + ... + 126124052.

It is an arithmetic number, because the mean of its divisors is an integer number (63944381280).

Almost surely, 2^255525278027 is an apocalyptic number.

255525278027 is a deficient number, since it is larger than the sum of its proper divisors (252247093).

255525278027 is a wasteful number, since it uses less digits than its factorization.

255525278027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252247092.

The product of its (nonzero) digits is 3920000, while the sum is 50.

The spelling of 255525278027 in words is "two hundred fifty-five billion, five hundred twenty-five million, two hundred seventy-eight thousand, twenty-seven".