265265615233 has 4 divisors (see below), whose sum is σ = 265679446788. Its totient is φ = 264851783680.

The previous prime is 265265615231. The next prime is 265265615297. The reversal of 265265615233 is 332516562562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99219960064 + 166045655169 = 314992^2 + 407487^2 .

It is a cyclic number.

It is not a de Polignac number, because 265265615233 - 2¹ = 265265615231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265265615231) 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, 206914816 + ... + 206916097.

It is an arithmetic number, because the mean of its divisors is an integer number (66419861697).

Almost surely, 2^265265615233 is an apocalyptic number.

It is an amenable number.

265265615233 is a deficient number, since it is larger than the sum of its proper divisors (413831555).

265265615233 is an equidigital number, since it uses as much as digits as its factorization.

265265615233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413831554.

The product of its digits is 1944000, while the sum is 46.

The spelling of 265265615233 in words is "two hundred sixty-five billion, two hundred sixty-five million, six hundred fifteen thousand, two hundred thirty-three".