125182502113 has 2 divisors, whose sum is σ = 125182502114. Its totient is φ = 125182502112.

The previous prime is 125182502101. The next prime is 125182502131. The reversal of 125182502113 is 311205281521.

It is a happy number.

Together with next prime (125182502131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113119214224 + 12063287889 = 336332^2 + 109833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125182502113 is a prime.

It is not a weakly prime, because it can be changed into another prime (125182502173) 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, 62591251056 + 62591251057.

It is an arithmetic number, because the mean of its divisors is an integer number (62591251057).

Almost surely, 2^125182502113 is an apocalyptic number.

It is an amenable number.

125182502113 is a deficient number, since it is larger than the sum of its proper divisors (1).

125182502113 is an equidigital number, since it uses as much as digits as its factorization.

125182502113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 125182502113 its reverse (311205281521), we get a palindrome (436387783634).

The spelling of 125182502113 in words is "one hundred twenty-five billion, one hundred eighty-two million, five hundred two thousand, one hundred thirteen".