265123382085 has 48 divisors (see below), whose sum is σ = 483953433600. Its totient is φ = 133896281472.

The previous prime is 265123382063. The next prime is 265123382101. The reversal of 265123382085 is 580283321562.

265123382085 is a `hidden beast` number, since 2 + 6 + 512 + 3 + 38 + 20 + 85 = 666.

It is not a de Polignac number, because 265123382085 - 2¹¹ = 265123380037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 265123382085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1845099 + ... + 1983591.

It is an arithmetic number, because the mean of its divisors is an integer number (10082363200).

Almost surely, 2^265123382085 is an apocalyptic number.

It is an amenable number.

265123382085 is a deficient number, since it is larger than the sum of its proper divisors (218830051515).

265123382085 is a wasteful number, since it uses less digits than its factorization.

265123382085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140762 (or 140759 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 265123382085 in words is "two hundred sixty-five billion, one hundred twenty-three million, three hundred eighty-two thousand, eighty-five".