265243135141465 has 16 divisors (see below), whose sum is σ = 343340448611328. Its totient is φ = 195549165222336.

The previous prime is 265243135141451. The next prime is 265243135141469. The reversal of 265243135141465 is 564141531342562.

It is a cyclic number.

It is not a de Polignac number, because 265243135141465 - 2¹⁵ = 265243135108697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265243135141469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3361297957 + ... + 3361376866.

It is an arithmetic number, because the mean of its divisors is an integer number (21458778038208).

Almost surely, 2^{265243135141465} is an apocalyptic number.

It is an amenable number.

265243135141465 is a deficient number, since it is larger than the sum of its proper divisors (78097313469863).

265243135141465 is a wasteful number, since it uses less digits than its factorization.

265243135141465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722675448.

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

The spelling of 265243135141465 in words is "two hundred sixty-five trillion, two hundred forty-three billion, one hundred thirty-five million, one hundred forty-one thousand, four hundred sixty-five".