125163365027 has 2 divisors, whose sum is σ = 125163365028. Its totient is φ = 125163365026.

The previous prime is 125163365021. The next prime is 125163365029. The reversal of 125163365027 is 720563361521.

It is a strong prime.

It is an emirp because it is prime and its reverse (720563361521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125163365027 - 2⁸ = 125163364771 is a prime.

Together with 125163365029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125163365021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62581682513 + 62581682514.

It is an arithmetic number, because the mean of its divisors is an integer number (62581682514).

Almost surely, 2^125163365027 is an apocalyptic number.

125163365027 is a deficient number, since it is larger than the sum of its proper divisors (1).

125163365027 is an equidigital number, since it uses as much as digits as its factorization.

125163365027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 125163365027 in words is "one hundred twenty-five billion, one hundred sixty-three million, three hundred sixty-five thousand, twenty-seven".