265461022415 has 4 divisors (see below), whose sum is σ = 318553226904. Its totient is φ = 212368817928.

The previous prime is 265461022381. The next prime is 265461022427. The reversal of 265461022415 is 514220164562.

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

It is a cyclic number.

It is not a de Polignac number, because 265461022415 - 2¹⁰ = 265461021391 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 26546102237 + ... + 26546102246.

It is an arithmetic number, because the mean of its divisors is an integer number (79638306726).

Almost surely, 2^265461022415 is an apocalyptic number.

265461022415 is a deficient number, since it is larger than the sum of its proper divisors (53092204489).

265461022415 is an equidigital number, since it uses as much as digits as its factorization.

265461022415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53092204488.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 265461022415 its reverse (514220164562), we get a palindrome (779681186977).

The spelling of 265461022415 in words is "two hundred sixty-five billion, four hundred sixty-one million, twenty-two thousand, four hundred fifteen".