265374332273505 has 192 divisors, whose sum is σ = 535657664770560. Its totient is φ = 109810000355328.

The previous prime is 265374332273473. The next prime is 265374332273543. The reversal of 265374332273505 is 505372233473562.

It is not a de Polignac number, because 265374332273505 - 2⁵ = 265374332273473 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1765215181 + ... + 1765365509.

It is an arithmetic number, because the mean of its divisors is an integer number (2789883670680).

Almost surely, 2^{265374332273505} is an apocalyptic number.

It is an amenable number.

265374332273505 is an abundant number, since it is smaller than the sum of its proper divisors (270283332497055).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265374332273505 is a wasteful number, since it uses less digits than its factorization.

265374332273505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152300 (or 152287 counting only the distinct ones).

The product of its (nonzero) digits is 95256000, while the sum is 57.

The spelling of 265374332273505 in words is "two hundred sixty-five trillion, three hundred seventy-four billion, three hundred thirty-two million, two hundred seventy-three thousand, five hundred five".