1215010105297 has 2 divisors, whose sum is σ = 1215010105298. Its totient is φ = 1215010105296.

The previous prime is 1215010105279. The next prime is 1215010105319. The reversal of 1215010105297 is 7925010105121.

It is a happy number.

Together with previous prime (1215010105279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1151122993216 + 63887112081 = 1072904^2 + 252759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1215010105297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1215010105207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607505052648 + 607505052649.

It is an arithmetic number, because the mean of its divisors is an integer number (607505052649).

Almost surely, 2^{1215010105297} is an apocalyptic number.

It is an amenable number.

1215010105297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215010105297 is an equidigital number, since it uses as much as digits as its factorization.

1215010105297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 34.

The spelling of 1215010105297 in words is "one trillion, two hundred fifteen billion, ten million, one hundred five thousand, two hundred ninety-seven".