255660524555 has 8 divisors (see below), whose sum is σ = 306795846672. Its totient is φ = 204526274848.

The previous prime is 255660524549. The next prime is 255660524597. The reversal of 255660524555 is 555425066552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255660524555 - 2¹⁴ = 255660508171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414269 + ... + 826401.

It is an arithmetic number, because the mean of its divisors is an integer number (38349480834).

Almost surely, 2^255660524555 is an apocalyptic number.

255660524555 is a deficient number, since it is larger than the sum of its proper divisors (51135322117).

255660524555 is a wasteful number, since it uses less digits than its factorization.

255660524555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536205.

The product of its (nonzero) digits is 9000000, while the sum is 50.

The spelling of 255660524555 in words is "two hundred fifty-five billion, six hundred sixty million, five hundred twenty-four thousand, five hundred fifty-five".