265151040211265 has 8 divisors (see below), whose sum is σ = 342656728888488. Its totient is φ = 195803845079040.

The previous prime is 265151040211229. The next prime is 265151040211439. The reversal of 265151040211265 is 562112040151562.

It can be written as a sum of positive squares in 4 ways, for example, as 43547117752576 + 221603922458689 = 6599024^2 + 14886367^2 .

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

It is not a de Polignac number, because 265151040211265 - 2²⁰ = 265151039162689 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039623386176 + ... + 2039623386305.

It is an arithmetic number, because the mean of its divisors is an integer number (42832091111061).

Almost surely, 2^{265151040211265} is an apocalyptic number.

It is an amenable number.

265151040211265 is a deficient number, since it is larger than the sum of its proper divisors (77505688677223).

265151040211265 is a wasteful number, since it uses less digits than its factorization.

265151040211265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079246772499.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 265151040211265 in words is "two hundred sixty-five trillion, one hundred fifty-one billion, forty million, two hundred eleven thousand, two hundred sixty-five".