255835012089 has 4 divisors (see below), whose sum is σ = 341113349456. Its totient is φ = 170556674724.

The previous prime is 255835012073. The next prime is 255835012091. The reversal of 255835012089 is 980210538552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 255835012089 - 2⁴ = 255835012073 is a prime.

It is a super-2 number, since 2×255835012089² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255835012289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42639168679 + ... + 42639168684.

It is an arithmetic number, because the mean of its divisors is an integer number (85278337364).

Almost surely, 2^255835012089 is an apocalyptic number.

It is an amenable number.

255835012089 is a deficient number, since it is larger than the sum of its proper divisors (85278337367).

255835012089 is an equidigital number, since it uses as much as digits as its factorization.

255835012089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85278337366.

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 255835012089 in words is "two hundred fifty-five billion, eight hundred thirty-five million, twelve thousand, eighty-nine".