260122256344399 has 2 divisors, whose sum is σ = 260122256344400. Its totient is φ = 260122256344398.

The previous prime is 260122256344309. The next prime is 260122256344439. The reversal of 260122256344399 is 993443652221062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260122256344399 - 2⁴¹ = 257923233088847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260122256344309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130061128172199 + 130061128172200.

It is an arithmetic number, because the mean of its divisors is an integer number (130061128172200).

Almost surely, 2^{260122256344399} is an apocalyptic number.

260122256344399 is a deficient number, since it is larger than the sum of its proper divisors (1).

260122256344399 is an equidigital number, since it uses as much as digits as its factorization.

260122256344399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33592320, while the sum is 58.

The spelling of 260122256344399 in words is "two hundred sixty trillion, one hundred twenty-two billion, two hundred fifty-six million, three hundred forty-four thousand, three hundred ninety-nine".