260172044341745 has 4 divisors (see below), whose sum is σ = 312206453210100. Its totient is φ = 208137635473392.

The previous prime is 260172044341679. The next prime is 260172044341751. The reversal of 260172044341745 is 547143440271062.

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 39327359949409 + 220844684392336 = 6271153^2 + 14860844^2 .

It is a cyclic number.

It is not a de Polignac number, because 260172044341745 - 2¹² = 260172044337649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260172044341693 and 260172044341702.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26017204434170 + ... + 26017204434179.

It is an arithmetic number, because the mean of its divisors is an integer number (78051613302525).

Almost surely, 2^{260172044341745} is an apocalyptic number.

It is an amenable number.

260172044341745 is a deficient number, since it is larger than the sum of its proper divisors (52034408868355).

260172044341745 is an equidigital number, since it uses as much as digits as its factorization.

260172044341745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52034408868354.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 260172044341745 in words is "two hundred sixty trillion, one hundred seventy-two billion, forty-four million, three hundred forty-one thousand, seven hundred forty-five".