1415161066321 has 2 divisors, whose sum is σ = 1415161066322. Its totient is φ = 1415161066320.

The previous prime is 1415161066279. The next prime is 1415161066327. The reversal of 1415161066321 is 1236601615141.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1353408816321 + 61752250000 = 1163361^2 + 248500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415161066321 - 2²⁷ = 1415026848593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1415161066327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707580533160 + 707580533161.

It is an arithmetic number, because the mean of its divisors is an integer number (707580533161).

Almost surely, 2^{1415161066321} is an apocalyptic number.

It is an amenable number.

1415161066321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415161066321 is an equidigital number, since it uses as much as digits as its factorization.

1415161066321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 1415161066321 in words is "one trillion, four hundred fifteen billion, one hundred sixty-one million, sixty-six thousand, three hundred twenty-one".