255385460615 has 8 divisors (see below), whose sum is σ = 316348441728. Its totient is φ = 197717775840.

The previous prime is 255385460609. The next prime is 255385460633. The reversal of 255385460615 is 516064583552.

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

It is not a de Polignac number, because 255385460615 - 2¹² = 255385456519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823823912 + ... + 823824221.

It is an arithmetic number, because the mean of its divisors is an integer number (39543555216).

Almost surely, 2^255385460615 is an apocalyptic number.

255385460615 is a deficient number, since it is larger than the sum of its proper divisors (60962981113).

255385460615 is a wasteful number, since it uses less digits than its factorization.

255385460615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647648169.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 255385460615 in words is "two hundred fifty-five billion, three hundred eighty-five million, four hundred sixty thousand, six hundred fifteen".