265640352263255 has 8 divisors (see below), whose sum is σ = 332627919355872. Its totient is φ = 203272617383968.

The previous prime is 265640352263233. The next prime is 265640352263303. The reversal of 265640352263255 is 552362253046562.

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

It is a cyclic number.

It is not a de Polignac number, because 265640352263255 - 2¹⁰ = 265640352262231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265640352263255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154958053204 + ... + 1154958053433.

It is an arithmetic number, because the mean of its divisors is an integer number (41578489919484).

Almost surely, 2^{265640352263255} is an apocalyptic number.

265640352263255 is a deficient number, since it is larger than the sum of its proper divisors (66987567092617).

265640352263255 is a wasteful number, since it uses less digits than its factorization.

265640352263255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309916106665.

The product of its (nonzero) digits is 77760000, while the sum is 56.

The spelling of 265640352263255 in words is "two hundred sixty-five trillion, six hundred forty billion, three hundred fifty-two million, two hundred sixty-three thousand, two hundred fifty-five".