265313968127 has 16 divisors (see below), whose sum is σ = 286079122560. Its totient is φ = 244599955200.

The previous prime is 265313968123. The next prime is 265313968147. The reversal of 265313968127 is 721869313562.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 265313968127 - 2² = 265313968123 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 (265313968123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46453802 + ... + 46459512.

It is an arithmetic number, because the mean of its divisors is an integer number (17879945160).

Almost surely, 2^265313968127 is an apocalyptic number.

265313968127 is a deficient number, since it is larger than the sum of its proper divisors (20765154433).

265313968127 is a wasteful number, since it uses less digits than its factorization.

265313968127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9554.

The product of its digits is 3265920, while the sum is 53.

The spelling of 265313968127 in words is "two hundred sixty-five billion, three hundred thirteen million, nine hundred sixty-eight thousand, one hundred twenty-seven".