265310512255616 has 16 divisors (see below), whose sum is σ = 528548286134490. Its totient is φ = 132655256127744.

The previous prime is 265310512255577. The next prime is 265310512255639. The reversal of 265310512255616 is 616552215013562.

It can be written as a sum of positive squares in only one way, i.e., 265250212542016 + 60299713600 = 16286504^2 + 245560^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×265310512255616² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036369188371 + ... + 1036369188626.

Almost surely, 2^{265310512255616} is an apocalyptic number.

It is an amenable number.

265310512255616 is a deficient number, since it is larger than the sum of its proper divisors (263237773878874).

265310512255616 is an equidigital number, since it uses as much as digits as its factorization.

265310512255616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072738377011 (or 2072738376999 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 265310512255616 in words is "two hundred sixty-five trillion, three hundred ten billion, five hundred twelve million, two hundred fifty-five thousand, six hundred sixteen".