127116601517 has 2 divisors, whose sum is σ = 127116601518. Its totient is φ = 127116601516.

The previous prime is 127116601489. The next prime is 127116601529. The reversal of 127116601517 is 715106611721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115315255561 + 11801345956 = 339581^2 + 108634^2 .

It is a cyclic number.

It is not a de Polignac number, because 127116601517 - 2⁶ = 127116601453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127116601537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63558300758 + 63558300759.

It is an arithmetic number, because the mean of its divisors is an integer number (63558300759).

Almost surely, 2^127116601517 is an apocalyptic number.

It is an amenable number.

127116601517 is a deficient number, since it is larger than the sum of its proper divisors (1).

127116601517 is an equidigital number, since it uses as much as digits as its factorization.

127116601517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 38.

The spelling of 127116601517 in words is "one hundred twenty-seven billion, one hundred sixteen million, six hundred one thousand, five hundred seventeen".