259855917312 has 72 divisors (see below), whose sum is σ = 699366618720. Its totient is φ = 85645373440.

The previous prime is 259855917271. The next prime is 259855917371. The reversal of 259855917312 is 213719558952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832514 + ... + 1969217.

It is an arithmetic number, because the mean of its divisors is an integer number (9713425260).

Almost surely, 2^259855917312 is an apocalyptic number.

It is an amenable number.

259855917312 is an abundant number, since it is smaller than the sum of its proper divisors (439510701408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259855917312 is an equidigital number, since it uses as much as digits as its factorization.

259855917312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801839 (or 3801825 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 57.

The spelling of 259855917312 in words is "two hundred fifty-nine billion, eight hundred fifty-five million, nine hundred seventeen thousand, three hundred twelve".