125351447513 has 2 divisors, whose sum is σ = 125351447514. Its totient is φ = 125351447512.

The previous prime is 125351447497. The next prime is 125351447519. The reversal of 125351447513 is 315744153521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116037653449 + 9313794064 = 340643^2 + 96508^2 .

It is a cyclic number.

It is not a de Polignac number, because 125351447513 - 2⁴ = 125351447497 is a prime.

It is not a weakly prime, because it can be changed into another prime (125351447519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62675723756 + 62675723757.

It is an arithmetic number, because the mean of its divisors is an integer number (62675723757).

Almost surely, 2^125351447513 is an apocalyptic number.

It is an amenable number.

125351447513 is a deficient number, since it is larger than the sum of its proper divisors (1).

125351447513 is an equidigital number, since it uses as much as digits as its factorization.

125351447513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 41.

The spelling of 125351447513 in words is "one hundred twenty-five billion, three hundred fifty-one million, four hundred forty-seven thousand, five hundred thirteen".