255558487975 has 12 divisors (see below), whose sum is σ = 362162886064. Its totient is φ = 175240105920.

The previous prime is 255558487969. The next prime is 255558487979. The reversal of 255558487975 is 579784855552.

It is not a de Polignac number, because 255558487975 - 2³ = 255558487967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255558487979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730166934 + ... + 730167283.

Almost surely, 2^255558487975 is an apocalyptic number.

255558487975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255558487975 is a deficient number, since it is larger than the sum of its proper divisors (106604398089).

255558487975 is a wasteful number, since it uses less digits than its factorization.

255558487975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460334234 (or 1460334229 counting only the distinct ones).

The product of its digits is 705600000, while the sum is 70.

The spelling of 255558487975 in words is "two hundred fifty-five billion, five hundred fifty-eight million, four hundred eighty-seven thousand, nine hundred seventy-five".