30517699115513 has 2 divisors, whose sum is σ = 30517699115514. Its totient is φ = 30517699115512.

The previous prime is 30517699115443. The next prime is 30517699115573. The reversal of 30517699115513 is 31551199671503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29810431571449 + 707267544064 = 5459893^2 + 840992^2 .

It is a cyclic number.

It is not a de Polignac number, because 30517699115513 - 2³² = 30513404148217 is a prime.

It is not a weakly prime, because it can be changed into another prime (30517699115573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15258849557756 + 15258849557757.

It is an arithmetic number, because the mean of its divisors is an integer number (15258849557757).

Almost surely, 2^{30517699115513} is an apocalyptic number.

It is an amenable number.

30517699115513 is a deficient number, since it is larger than the sum of its proper divisors (1).

30517699115513 is an equidigital number, since it uses as much as digits as its factorization.

30517699115513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3827250, while the sum is 56.

The spelling of 30517699115513 in words is "thirty trillion, five hundred seventeen billion, six hundred ninety-nine million, one hundred fifteen thousand, five hundred thirteen".