115120201517 has 2 divisors, whose sum is σ = 115120201518. Its totient is φ = 115120201516.

The previous prime is 115120201447. The next prime is 115120201529. The reversal of 115120201517 is 715102021511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113397868516 + 1722333001 = 336746^2 + 41501^2 .

It is a cyclic number.

It is not a de Polignac number, because 115120201517 - 2¹⁰ = 115120200493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115120201117) 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, 57560100758 + 57560100759.

It is an arithmetic number, because the mean of its divisors is an integer number (57560100759).

Almost surely, 2^115120201517 is an apocalyptic number.

It is an amenable number.

115120201517 is a deficient number, since it is larger than the sum of its proper divisors (1).

115120201517 is an equidigital number, since it uses as much as digits as its factorization.

115120201517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 26.

The spelling of 115120201517 in words is "one hundred fifteen billion, one hundred twenty million, two hundred one thousand, five hundred seventeen".