125066859419 has 2 divisors, whose sum is σ = 125066859420. Its totient is φ = 125066859418.

The previous prime is 125066859413. The next prime is 125066859493. The reversal of 125066859419 is 914958660521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125066859419 - 2⁸ = 125066859163 is a prime.

It is a super-5 number, since 5×125066859419⁵ (a number of 57 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (125066859413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62533429709 + 62533429710.

It is an arithmetic number, because the mean of its divisors is an integer number (62533429710).

Almost surely, 2^125066859419 is an apocalyptic number.

125066859419 is a deficient number, since it is larger than the sum of its proper divisors (1).

125066859419 is an equidigital number, since it uses as much as digits as its factorization.

125066859419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 125066859419 in words is "one hundred twenty-five billion, sixty-six million, eight hundred fifty-nine thousand, four hundred nineteen".