127116601537 has 2 divisors, whose sum is σ = 127116601538. Its totient is φ = 127116601536.

The previous prime is 127116601529. The next prime is 127116601541. The reversal of 127116601537 is 735106611721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70102623361 + 57013978176 = 264769^2 + 238776^2 .

It is a cyclic number.

It is not a de Polignac number, because 127116601537 - 2³ = 127116601529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127116601537.

It is not a weakly prime, because it can be changed into another prime (127116601517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63558300768 + 63558300769.

It is an arithmetic number, because the mean of its divisors is an integer number (63558300769).

Almost surely, 2^127116601537 is an apocalyptic number.

It is an amenable number.

127116601537 is a deficient number, since it is larger than the sum of its proper divisors (1).

127116601537 is an equidigital number, since it uses as much as digits as its factorization.

127116601537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 127116601537 in words is "one hundred twenty-seven billion, one hundred sixteen million, six hundred one thousand, five hundred thirty-seven".