265040413915 has 4 divisors (see below), whose sum is σ = 318048496704. Its totient is φ = 212032331128.

The previous prime is 265040413889. The next prime is 265040413961. The reversal of 265040413915 is 519314040562.

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 265040413915 - 2¹⁹ = 265039889627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26504041387 + ... + 26504041396.

It is an arithmetic number, because the mean of its divisors is an integer number (79512124176).

Almost surely, 2^265040413915 is an apocalyptic number.

265040413915 is a deficient number, since it is larger than the sum of its proper divisors (53008082789).

265040413915 is an equidigital number, since it uses as much as digits as its factorization.

265040413915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53008082788.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 265040413915 in words is "two hundred sixty-five billion, forty million, four hundred thirteen thousand, nine hundred fifteen".