260202143135065 has 4 divisors (see below), whose sum is σ = 312242571762084. Its totient is φ = 208161714508048.

The previous prime is 260202143135063. The next prime is 260202143135071. The reversal of 260202143135065 is 560531341202062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197525344205641 + 62676798929424 = 14054371^2 + 7916868^2 .

It is a cyclic number.

It is not a de Polignac number, because 260202143135065 - 2¹ = 260202143135063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260202143135063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26020214313502 + ... + 26020214313511.

It is an arithmetic number, because the mean of its divisors is an integer number (78060642940521).

Almost surely, 2^{260202143135065} is an apocalyptic number.

It is an amenable number.

260202143135065 is a deficient number, since it is larger than the sum of its proper divisors (52040428627019).

260202143135065 is an equidigital number, since it uses as much as digits as its factorization.

260202143135065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52040428627018.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 260202143135065 in words is "two hundred sixty trillion, two hundred two billion, one hundred forty-three million, one hundred thirty-five thousand, sixty-five".