125066859493 has 2 divisors, whose sum is σ = 125066859494. Its totient is φ = 125066859492.

The previous prime is 125066859419. The next prime is 125066859497. The reversal of 125066859493 is 394958660521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97954602529 + 27112256964 = 312977^2 + 164658^2 .

It is a cyclic number.

It is not a de Polignac number, because 125066859493 - 2²⁹ = 124529988581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125066859497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62533429746 + 62533429747.

It is an arithmetic number, because the mean of its divisors is an integer number (62533429747).

Almost surely, 2^125066859493 is an apocalyptic number.

It is an amenable number.

125066859493 is a deficient number, since it is larger than the sum of its proper divisors (1).

125066859493 is an equidigital number, since it uses as much as digits as its factorization.

125066859493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 58.

The spelling of 125066859493 in words is "one hundred twenty-five billion, sixty-six million, eight hundred fifty-nine thousand, four hundred ninety-three".