1225011342337 has 2 divisors, whose sum is σ = 1225011342338. Its totient is φ = 1225011342336.

The previous prime is 1225011342251. The next prime is 1225011342377. The reversal of 1225011342337 is 7332431105221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885074534656 + 339936807681 = 940784^2 + 583041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225011342337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1225011342377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612505671168 + 612505671169.

It is an arithmetic number, because the mean of its divisors is an integer number (612505671169).

Almost surely, 2^{1225011342337} is an apocalyptic number.

It is an amenable number.

1225011342337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225011342337 is an equidigital number, since it uses as much as digits as its factorization.

1225011342337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 1225011342337 its reverse (7332431105221), we get a palindrome (8557442447558).

The spelling of 1225011342337 in words is "one trillion, two hundred twenty-five billion, eleven million, three hundred forty-two thousand, three hundred thirty-seven".