100001517200009 has 2 divisors, whose sum is σ = 100001517200010. Its totient is φ = 100001517200008.

The previous prime is 100001517199999. The next prime is 100001517200059. The reversal of 100001517200009 is 900002715100001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83596789624384 + 16404727575625 = 9143128^2 + 4050275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001517200009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100001517200059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000758600004 + 50000758600005.

It is an arithmetic number, because the mean of its divisors is an integer number (50000758600005).

Almost surely, 2^{100001517200009} is an apocalyptic number.

It is an amenable number.

100001517200009 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001517200009 is an equidigital number, since it uses as much as digits as its factorization.

100001517200009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 26.

The spelling of 100001517200009 in words is "one hundred trillion, one billion, five hundred seventeen million, two hundred thousand, nine".