265243304555013 has 8 divisors (see below), whose sum is σ = 354864762409248. Its totient is φ = 176225358202064.

The previous prime is 265243304554931. The next prime is 265243304555059. The reversal of 265243304555013 is 310555403342562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265243304555013 - 2²⁵ = 265243271000581 is a prime.

It is a super-2 number, since 2×265243304555013² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265243304575013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150877874295 + ... + 150877876052.

It is an arithmetic number, because the mean of its divisors is an integer number (44358095301156).

Almost surely, 2^{265243304555013} is an apocalyptic number.

It is an amenable number.

265243304555013 is a deficient number, since it is larger than the sum of its proper divisors (89621457854235).

265243304555013 is a wasteful number, since it uses less digits than its factorization.

265243304555013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301755750643.

The product of its (nonzero) digits is 6480000, while the sum is 48.

Adding to 265243304555013 its reverse (310555403342562), we get a palindrome (575798707897575).

The spelling of 265243304555013 in words is "two hundred sixty-five trillion, two hundred forty-three billion, three hundred four million, five hundred fifty-five thousand, thirteen".