125334433513 has 2 divisors, whose sum is σ = 125334433514. Its totient is φ = 125334433512.

The previous prime is 125334433487. The next prime is 125334433559. The reversal of 125334433513 is 315334433521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101258876944 + 24075556569 = 318212^2 + 155163^2 .

It is an emirp because it is prime and its reverse (315334433521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125334433513 - 2¹⁷ = 125334302441 is a prime.

It is not a weakly prime, because it can be changed into another prime (125334433613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62667216756 + 62667216757.

It is an arithmetic number, because the mean of its divisors is an integer number (62667216757).

Almost surely, 2^125334433513 is an apocalyptic number.

It is an amenable number.

125334433513 is a deficient number, since it is larger than the sum of its proper divisors (1).

125334433513 is an equidigital number, since it uses as much as digits as its factorization.

125334433513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 37.

The spelling of 125334433513 in words is "one hundred twenty-five billion, three hundred thirty-four million, four hundred thirty-three thousand, five hundred thirteen".