127501364513 has 2 divisors, whose sum is σ = 127501364514. Its totient is φ = 127501364512.

The previous prime is 127501364509. The next prime is 127501364521. The reversal of 127501364513 is 315463105721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97055302369 + 30446062144 = 311537^2 + 174488^2 .

It is a cyclic number.

It is not a de Polignac number, because 127501364513 - 2² = 127501364509 is a prime.

It is not a weakly prime, because it can be changed into another prime (127501364503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63750682256 + 63750682257.

It is an arithmetic number, because the mean of its divisors is an integer number (63750682257).

Almost surely, 2^127501364513 is an apocalyptic number.

It is an amenable number.

127501364513 is a deficient number, since it is larger than the sum of its proper divisors (1).

127501364513 is an equidigital number, since it uses as much as digits as its factorization.

127501364513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 127501364513 in words is "one hundred twenty-seven billion, five hundred one million, three hundred sixty-four thousand, five hundred thirteen".