260773464505265 has 4 divisors (see below), whose sum is σ = 312928157406324. Its totient is φ = 208618771604208.

The previous prime is 260773464505171. The next prime is 260773464505271. The reversal of 260773464505265 is 562505464377062.

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 116191670042176 + 144581794463089 = 10779224^2 + 12024217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260773464505265 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260773464505198 and 260773464505207.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26077346450522 + ... + 26077346450531.

It is an arithmetic number, because the mean of its divisors is an integer number (78232039351581).

Almost surely, 2^{260773464505265} is an apocalyptic number.

It is an amenable number.

260773464505265 is a deficient number, since it is larger than the sum of its proper divisors (52154692901059).

260773464505265 is an equidigital number, since it uses as much as digits as its factorization.

260773464505265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52154692901058.

The product of its (nonzero) digits is 254016000, while the sum is 62.

The spelling of 260773464505265 in words is "two hundred sixty trillion, seven hundred seventy-three billion, four hundred sixty-four million, five hundred five thousand, two hundred sixty-five".