265134632021316 has 18 divisors (see below), whose sum is σ = 670201430942862. Its totient is φ = 88378210673760.

The previous prime is 265134632021297. The next prime is 265134632021341. The reversal of 265134632021316 is 613120236431562.

265134632021316 is a `hidden beast` number, since 2 + 6 + 5 + 1 + 3 + 4 + 6 + 320 + 2 + 1 + 316 = 666.

It can be written as a sum of positive squares in only one way, i.e., 205608068121600 + 59526563899716 = 14339040^2 + 7715346^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3682425444705 + ... + 3682425444776.

It is an arithmetic number, because the mean of its divisors is an integer number (37233412830159).

Almost surely, 2^{265134632021316} is an apocalyptic number.

It is an amenable number.

265134632021316 is an abundant number, since it is smaller than the sum of its proper divisors (405066798921546).

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

265134632021316 is a wasteful number, since it uses less digits than its factorization.

265134632021316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364850889491 (or 7364850889486 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

Adding to 265134632021316 its reverse (613120236431562), we get a palindrome (878254868452878).

The spelling of 265134632021316 in words is "two hundred sixty-five trillion, one hundred thirty-four billion, six hundred thirty-two million, twenty-one thousand, three hundred sixteen".