125880159137 has 2 divisors, whose sum is σ = 125880159138. Its totient is φ = 125880159136.

The previous prime is 125880159113. The next prime is 125880159169. The reversal of 125880159137 is 731951088521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109021473856 + 16858685281 = 330184^2 + 129841^2 .

It is a cyclic number.

It is not a de Polignac number, because 125880159137 - 2¹² = 125880155041 is a prime.

It is not a weakly prime, because it can be changed into another prime (125880159107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62940079568 + 62940079569.

It is an arithmetic number, because the mean of its divisors is an integer number (62940079569).

Almost surely, 2^125880159137 is an apocalyptic number.

It is an amenable number.

125880159137 is a deficient number, since it is larger than the sum of its proper divisors (1).

125880159137 is an equidigital number, since it uses as much as digits as its factorization.

125880159137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 50.

The spelling of 125880159137 in words is "one hundred twenty-five billion, eight hundred eighty million, one hundred fifty-nine thousand, one hundred thirty-seven".