265213240461565 has 8 divisors (see below), whose sum is σ = 347188242058848. Its totient is φ = 192882356699280.

The previous prime is 265213240461529. The next prime is 265213240461583. The reversal of 265213240461565 is 565164042312562.

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

It is not a de Polignac number, because 265213240461565 - 2¹⁵ = 265213240428797 is a prime.

It is a super-2 number, since 2×265213240461565² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

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, 2411029458687 + ... + 2411029458796.

It is an arithmetic number, because the mean of its divisors is an integer number (43398530257356).

Almost surely, 2^{265213240461565} is an apocalyptic number.

It is an amenable number.

265213240461565 is a deficient number, since it is larger than the sum of its proper divisors (81975001597283).

265213240461565 is a wasteful number, since it uses less digits than its factorization.

265213240461565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822058917499.

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 265213240461565 in words is "two hundred sixty-five trillion, two hundred thirteen billion, two hundred forty million, four hundred sixty-one thousand, five hundred sixty-five".