265352253563 has 16 divisors (see below), whose sum is σ = 277391026176. Its totient is φ = 253583809920.

The previous prime is 265352253449. The next prime is 265352253583. The reversal of 265352253563 is 365352253562.

265352253563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 265352253563 - 2²⁴ = 265335476347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265352253583) 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 15 ways as a sum of consecutive naturals, for example, 6675758 + ... + 6715388.

It is an arithmetic number, because the mean of its divisors is an integer number (17336939136).

Almost surely, 2^265352253563 is an apocalyptic number.

265352253563 is a deficient number, since it is larger than the sum of its proper divisors (12038772613).

265352253563 is a wasteful number, since it uses less digits than its factorization.

265352253563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43034.

The product of its digits is 4860000, while the sum is 47.

Subtracting 265352253563 from its reverse (365352253562), we obtain a palindrome (99999999999).

The spelling of 265352253563 in words is "two hundred sixty-five billion, three hundred fifty-two million, two hundred fifty-three thousand, five hundred sixty-three".