126592516549 has 2 divisors, whose sum is σ = 126592516550. Its totient is φ = 126592516548.

The previous prime is 126592516499. The next prime is 126592516607. The reversal of 126592516549 is 945615295621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118466756100 + 8125760449 = 344190^2 + 90143^2 .

It is a cyclic number.

It is not a de Polignac number, because 126592516549 - 2¹⁷ = 126592385477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126592516549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126592516049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63296258274 + 63296258275.

It is an arithmetic number, because the mean of its divisors is an integer number (63296258275).

Almost surely, 2^126592516549 is an apocalyptic number.

It is an amenable number.

126592516549 is a deficient number, since it is larger than the sum of its proper divisors (1).

126592516549 is an equidigital number, since it uses as much as digits as its factorization.

126592516549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832000, while the sum is 55.

The spelling of 126592516549 in words is "one hundred twenty-six billion, five hundred ninety-two million, five hundred sixteen thousand, five hundred forty-nine".