125056620506651 has 2 divisors, whose sum is σ = 125056620506652. Its totient is φ = 125056620506650.

The previous prime is 125056620506591. The next prime is 125056620506677. The reversal of 125056620506651 is 156605026650521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125056620506651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125056620506651.

It is not a weakly prime, because it can be changed into another prime (125056620536651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62528310253325 + 62528310253326.

It is an arithmetic number, because the mean of its divisors is an integer number (62528310253326).

Almost surely, 2^{125056620506651} is an apocalyptic number.

125056620506651 is a deficient number, since it is larger than the sum of its proper divisors (1).

125056620506651 is an equidigital number, since it uses as much as digits as its factorization.

125056620506651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 125056620506651 in words is "one hundred twenty-five trillion, fifty-six billion, six hundred twenty million, five hundred six thousand, six hundred fifty-one".