255230663615 has 16 divisors (see below), whose sum is σ = 308338083648. Its totient is φ = 202812569856.

The previous prime is 255230663587. The next prime is 255230663641. The reversal of 255230663615 is 516366032552.

It is a cyclic number.

It is not a de Polignac number, because 255230663615 - 2¹⁰ = 255230662591 is a prime.

It is a Duffinian number.

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, 780707 + ... + 1058283.

It is an arithmetic number, because the mean of its divisors is an integer number (19271130228).

Almost surely, 2^255230663615 is an apocalyptic number.

255230663615 is a deficient number, since it is larger than the sum of its proper divisors (53107420033).

255230663615 is a wasteful number, since it uses less digits than its factorization.

255230663615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278818.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 255230663615 in words is "two hundred fifty-five billion, two hundred thirty million, six hundred sixty-three thousand, six hundred fifteen".