141618138056321 has 2 divisors, whose sum is σ = 141618138056322. Its totient is φ = 141618138056320.

The previous prime is 141618138056309. The next prime is 141618138056399. The reversal of 141618138056321 is 123650831816141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88642507450225 + 52975630606096 = 9415015^2 + 7278436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141618138056321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141618138056321.

It is not a weakly prime, because it can be changed into another prime (141618138056221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70809069028160 + 70809069028161.

It is an arithmetic number, because the mean of its divisors is an integer number (70809069028161).

Almost surely, 2^{141618138056321} is an apocalyptic number.

It is an amenable number.

141618138056321 is a deficient number, since it is larger than the sum of its proper divisors (1).

141618138056321 is an equidigital number, since it uses as much as digits as its factorization.

141618138056321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 141618138056321 in words is "one hundred forty-one trillion, six hundred eighteen billion, one hundred thirty-eight million, fifty-six thousand, three hundred twenty-one".