1405259020241 has 2 divisors, whose sum is σ = 1405259020242. Its totient is φ = 1405259020240.

The previous prime is 1405259020237. The next prime is 1405259020303. The reversal of 1405259020241 is 1420209525041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901130619841 + 504128400400 = 949279^2 + 710020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1405259020241 - 2² = 1405259020237 is a prime.

It is not a weakly prime, because it can be changed into another prime (1405259020741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702629510120 + 702629510121.

It is an arithmetic number, because the mean of its divisors is an integer number (702629510121).

Almost surely, 2^{1405259020241} is an apocalyptic number.

It is an amenable number.

1405259020241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405259020241 is an equidigital number, since it uses as much as digits as its factorization.

1405259020241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 1405259020241 in words is "one trillion, four hundred five billion, two hundred fifty-nine million, twenty thousand, two hundred forty-one".