265520055311 has 12 divisors (see below), whose sum is σ = 327039108768. Its totient is φ = 214201052352.

The previous prime is 265520055287. The next prime is 265520055331. The reversal of 265520055311 is 113550025562.

265520055311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 265520055311 - 2¹⁰ = 265520054287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265520055331) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 159374951 + ... + 159376616.

It is an arithmetic number, because the mean of its divisors is an integer number (27253259064).

Almost surely, 2^265520055311 is an apocalyptic number.

265520055311 is a deficient number, since it is larger than the sum of its proper divisors (61519053457).

265520055311 is a wasteful number, since it uses less digits than its factorization.

265520055311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318751598 (or 318751591 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 265520055311 in words is "two hundred sixty-five billion, five hundred twenty million, fifty-five thousand, three hundred eleven".