265243326535455 has 32 divisors (see below), whose sum is σ = 428633175259584. Its totient is φ = 140051344828416.

The previous prime is 265243326535399. The next prime is 265243326535457. The reversal of 265243326535455 is 554535623342562.

It is not a de Polignac number, because 265243326535455 - 2¹¹ = 265243326533407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265243326535457) 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, 87729984 + ... + 90703013.

It is an arithmetic number, because the mean of its divisors is an integer number (13394786726862).

Almost surely, 2^{265243326535455} is an apocalyptic number.

265243326535455 is a deficient number, since it is larger than the sum of its proper divisors (163389848724129).

265243326535455 is a wasteful number, since it uses less digits than its factorization.

265243326535455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178433995.

The product of its digits is 388800000, while the sum is 60.

The spelling of 265243326535455 in words is "two hundred sixty-five trillion, two hundred forty-three billion, three hundred twenty-six million, five hundred thirty-five thousand, four hundred fifty-five".