1205374147441 has 2 divisors, whose sum is σ = 1205374147442. Its totient is φ = 1205374147440.

The previous prime is 1205374147427. The next prime is 1205374147511. The reversal of 1205374147441 is 1447414735021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990452896225 + 214921251216 = 995215^2 + 463596^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205374147441 - 2²⁹ = 1204837276529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1205374157441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602687073720 + 602687073721.

It is an arithmetic number, because the mean of its divisors is an integer number (602687073721).

Almost surely, 2^{1205374147441} is an apocalyptic number.

It is an amenable number.

1205374147441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205374147441 is an equidigital number, since it uses as much as digits as its factorization.

1205374147441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 1205374147441 in words is "one trillion, two hundred five billion, three hundred seventy-four million, one hundred forty-seven thousand, four hundred forty-one".