127148558191 has 2 divisors, whose sum is σ = 127148558192. Its totient is φ = 127148558190.

The previous prime is 127148558161. The next prime is 127148558219. The reversal of 127148558191 is 191855841721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127148558191 - 2²⁵ = 127115003759 is a prime.

It is a super-2 number, since 2×127148558191² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127148558161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63574279095 + 63574279096.

It is an arithmetic number, because the mean of its divisors is an integer number (63574279096).

Almost surely, 2^127148558191 is an apocalyptic number.

127148558191 is a deficient number, since it is larger than the sum of its proper divisors (1).

127148558191 is an equidigital number, since it uses as much as digits as its factorization.

127148558191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 52.

The spelling of 127148558191 in words is "one hundred twenty-seven billion, one hundred forty-eight million, five hundred fifty-eight thousand, one hundred ninety-one".