125606334346261 has 2 divisors, whose sum is σ = 125606334346262. Its totient is φ = 125606334346260.

The previous prime is 125606334346249. The next prime is 125606334346307. The reversal of 125606334346261 is 162643433606521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93236037886161 + 32370296460100 = 9655881^2 + 5689490^2 .

It is a cyclic number.

It is not a de Polignac number, because 125606334346261 - 2¹⁹ = 125606333821973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125606334346199 and 125606334346208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125606334346861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62803167173130 + 62803167173131.

It is an arithmetic number, because the mean of its divisors is an integer number (62803167173131).

Almost surely, 2^{125606334346261} is an apocalyptic number.

It is an amenable number.

125606334346261 is a deficient number, since it is larger than the sum of its proper divisors (1).

125606334346261 is an equidigital number, since it uses as much as digits as its factorization.

125606334346261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 52.

The spelling of 125606334346261 in words is "one hundred twenty-five trillion, six hundred six billion, three hundred thirty-four million, three hundred forty-six thousand, two hundred sixty-one".