7240053314561 has 2 divisors, whose sum is σ = 7240053314562. Its totient is φ = 7240053314560.

The previous prime is 7240053314531. The next prime is 7240053314603. The reversal of 7240053314561 is 1654133500427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4009029089536 + 3231024225025 = 2002256^2 + 1797505^2 .

It is an emirp because it is prime and its reverse (1654133500427) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7240053314561 is a prime.

It is not a weakly prime, because it can be changed into another prime (7240053314531) 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, 3620026657280 + 3620026657281.

It is an arithmetic number, because the mean of its divisors is an integer number (3620026657281).

Almost surely, 2^{7240053314561} is an apocalyptic number.

It is an amenable number.

7240053314561 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240053314561 is an equidigital number, since it uses as much as digits as its factorization.

7240053314561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

Adding to 7240053314561 its reverse (1654133500427), we get a palindrome (8894186814988).

The spelling of 7240053314561 in words is "seven trillion, two hundred forty billion, fifty-three million, three hundred fourteen thousand, five hundred sixty-one".