125616200251643 has 2 divisors, whose sum is σ = 125616200251644. Its totient is φ = 125616200251642.

The previous prime is 125616200251613. The next prime is 125616200251727. The reversal of 125616200251643 is 346152002616521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125616200251643 - 2¹⁴ = 125616200235259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125616200251594 and 125616200251603.

It is not a weakly prime, because it can be changed into another prime (125616200251613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62808100125821 + 62808100125822.

It is an arithmetic number, because the mean of its divisors is an integer number (62808100125822).

Almost surely, 2^{125616200251643} is an apocalyptic number.

125616200251643 is a deficient number, since it is larger than the sum of its proper divisors (1).

125616200251643 is an equidigital number, since it uses as much as digits as its factorization.

125616200251643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 125616200251643 in words is "one hundred twenty-five trillion, six hundred sixteen billion, two hundred million, two hundred fifty-one thousand, six hundred forty-three".