125025551520271 has 2 divisors, whose sum is σ = 125025551520272. Its totient is φ = 125025551520270.

The previous prime is 125025551520167. The next prime is 125025551520281. The reversal of 125025551520271 is 172025155520521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125025551520271 - 2³¹ = 125023404036623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125025551520281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62512775760135 + 62512775760136.

It is an arithmetic number, because the mean of its divisors is an integer number (62512775760136).

Almost surely, 2^{125025551520271} is an apocalyptic number.

125025551520271 is a deficient number, since it is larger than the sum of its proper divisors (1).

125025551520271 is an equidigital number, since it uses as much as digits as its factorization.

125025551520271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350000, while the sum is 43.

The spelling of 125025551520271 in words is "one hundred twenty-five trillion, twenty-five billion, five hundred fifty-one million, five hundred twenty thousand, two hundred seventy-one".