255254543215 has 16 divisors (see below), whose sum is σ = 350085169728. Its totient is φ = 175020788736.

The previous prime is 255254543207. The next prime is 255254543231. The reversal of 255254543215 is 512345452552.

It is a cyclic number.

It is not a de Polignac number, because 255254543215 - 2³ = 255254543207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364849 + ... + 802261.

It is an arithmetic number, because the mean of its divisors is an integer number (21880323108).

Almost surely, 2^255254543215 is an apocalyptic number.

255254543215 is a deficient number, since it is larger than the sum of its proper divisors (94830626513).

255254543215 is a wasteful number, since it uses less digits than its factorization.

255254543215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454098.

The product of its digits is 1200000, while the sum is 43.

Adding to 255254543215 its reverse (512345452552), we get a palindrome (767599995767).

The spelling of 255254543215 in words is "two hundred fifty-five billion, two hundred fifty-four million, five hundred forty-three thousand, two hundred fifteen".