125836510673 has 2 divisors, whose sum is σ = 125836510674. Its totient is φ = 125836510672.

The previous prime is 125836510643. The next prime is 125836510699. The reversal of 125836510673 is 376015638521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125038617664 + 797893009 = 353608^2 + 28247^2 .

It is a cyclic number.

It is not a de Polignac number, because 125836510673 - 2²⁰ = 125835462097 is a prime.

It is not a weakly prime, because it can be changed into another prime (125836510633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62918255336 + 62918255337.

It is an arithmetic number, because the mean of its divisors is an integer number (62918255337).

Almost surely, 2^125836510673 is an apocalyptic number.

It is an amenable number.

125836510673 is a deficient number, since it is larger than the sum of its proper divisors (1).

125836510673 is an equidigital number, since it uses as much as digits as its factorization.

125836510673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

It can be divided in two parts, 12583 and 6510673, that added together give a palindrome (6523256).

The spelling of 125836510673 in words is "one hundred twenty-five billion, eight hundred thirty-six million, five hundred ten thousand, six hundred seventy-three".