127361657210591 has 2 divisors, whose sum is σ = 127361657210592. Its totient is φ = 127361657210590.

The previous prime is 127361657210483. The next prime is 127361657210647. The reversal of 127361657210591 is 195012756163721.

It is an a-pointer prime, because the next prime (127361657210647) can be obtained adding 127361657210591 to its sum of digits (56).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127361657210591 - 2¹⁸ = 127361656948447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127361657210191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63680828605295 + 63680828605296.

It is an arithmetic number, because the mean of its divisors is an integer number (63680828605296).

Almost surely, 2^{127361657210591} is an apocalyptic number.

127361657210591 is a deficient number, since it is larger than the sum of its proper divisors (1).

127361657210591 is an equidigital number, since it uses as much as digits as its factorization.

127361657210591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 56.

The spelling of 127361657210591 in words is "one hundred twenty-seven trillion, three hundred sixty-one billion, six hundred fifty-seven million, two hundred ten thousand, five hundred ninety-one".