1015850980297 has 2 divisors, whose sum is σ = 1015850980298. Its totient is φ = 1015850980296.

The previous prime is 1015850980237. The next prime is 1015850980327. The reversal of 1015850980297 is 7920890585101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 647154282681 + 368696697616 = 804459^2 + 607204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015850980297 - 2²³ = 1015842591689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1015850980237) 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, 507925490148 + 507925490149.

It is an arithmetic number, because the mean of its divisors is an integer number (507925490149).

Almost surely, 2^{1015850980297} is an apocalyptic number.

It is an amenable number.

1015850980297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015850980297 is an equidigital number, since it uses as much as digits as its factorization.

1015850980297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 55.

The spelling of 1015850980297 in words is "one trillion, fifteen billion, eight hundred fifty million, nine hundred eighty thousand, two hundred ninety-seven".