1215414313073 has 2 divisors, whose sum is σ = 1215414313074. Its totient is φ = 1215414313072.

The previous prime is 1215414313031. The next prime is 1215414313123. The reversal of 1215414313073 is 3703134145121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 766337415649 + 449076897424 = 875407^2 + 670132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1215414313073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1215414313273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607707156536 + 607707156537.

It is an arithmetic number, because the mean of its divisors is an integer number (607707156537).

Almost surely, 2^{1215414313073} is an apocalyptic number.

It is an amenable number.

1215414313073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215414313073 is an equidigital number, since it uses as much as digits as its factorization.

1215414313073 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 35.

Adding to 1215414313073 its reverse (3703134145121), we get a palindrome (4918548458194).

The spelling of 1215414313073 in words is "one trillion, two hundred fifteen billion, four hundred fourteen million, three hundred thirteen thousand, seventy-three".