265312112559 has 32 divisors (see below), whose sum is σ = 390401217024. Its totient is φ = 159270503040.

The previous prime is 265312112503. The next prime is 265312112563. The reversal of 265312112559 is 955211213562.

It is not a de Polignac number, because 265312112559 - 2¹⁶ = 265312047023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265312112559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265312112579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223752 + ... + 762029.

It is an arithmetic number, because the mean of its divisors is an integer number (12200038032).

Almost surely, 2^265312112559 is an apocalyptic number.

265312112559 is a deficient number, since it is larger than the sum of its proper divisors (125089104465).

265312112559 is a wasteful number, since it uses less digits than its factorization.

265312112559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985967.

The product of its digits is 162000, while the sum is 42.

The spelling of 265312112559 in words is "two hundred sixty-five billion, three hundred twelve million, one hundred twelve thousand, five hundred fifty-nine".