1245344550041 has 2 divisors, whose sum is σ = 1245344550042. Its totient is φ = 1245344550040.

The previous prime is 1245344550011. The next prime is 1245344550053. The reversal of 1245344550041 is 1400554435421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 872316772441 + 373027777600 = 933979^2 + 610760^2 .

It is an emirp because it is prime and its reverse (1400554435421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1245344550041 - 2²² = 1245340355737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245344549977 and 1245344550004.

It is not a weakly prime, because it can be changed into another prime (1245344550001) by changing a digit.

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 as a sum of consecutive naturals, namely, 622672275020 + 622672275021.

It is an arithmetic number, because the mean of its divisors is an integer number (622672275021).

Almost surely, 2^{1245344550041} is an apocalyptic number.

It is an amenable number.

1245344550041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245344550041 is an equidigital number, since it uses as much as digits as its factorization.

1245344550041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 1245344550041 its reverse (1400554435421), we get a palindrome (2645898985462).

The spelling of 1245344550041 in words is "one trillion, two hundred forty-five billion, three hundred forty-four million, five hundred fifty thousand, forty-one".