125626044553 has 2 divisors, whose sum is σ = 125626044554. Its totient is φ = 125626044552.

The previous prime is 125626044541. The next prime is 125626044589. The reversal of 125626044553 is 355440626521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110890998009 + 14735046544 = 333003^2 + 121388^2 .

It is a cyclic number.

It is not a de Polignac number, because 125626044553 - 2⁹ = 125626044041 is a prime.

It is not a weakly prime, because it can be changed into another prime (125626044503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62813022276 + 62813022277.

It is an arithmetic number, because the mean of its divisors is an integer number (62813022277).

Almost surely, 2^125626044553 is an apocalyptic number.

It is an amenable number.

125626044553 is a deficient number, since it is larger than the sum of its proper divisors (1).

125626044553 is an equidigital number, since it uses as much as digits as its factorization.

125626044553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 125626044553 in words is "one hundred twenty-five billion, six hundred twenty-six million, forty-four thousand, five hundred fifty-three".