126582278609 has 16 divisors (see below), whose sum is σ = 130239083520. Its totient is φ = 122953248000.

The previous prime is 126582278597. The next prime is 126582278621. The reversal of 126582278609 is 906872285621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126582278597) and next prime (126582278621).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126582278609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126582278699) 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 in 15 ways as a sum of consecutive naturals, for example, 20785637 + ... + 20791725.

It is an arithmetic number, because the mean of its divisors is an integer number (8139942720).

Almost surely, 2^126582278609 is an apocalyptic number.

It is an amenable number.

126582278609 is a deficient number, since it is larger than the sum of its proper divisors (3656804911).

126582278609 is a wasteful number, since it uses less digits than its factorization.

126582278609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8272.

The product of its (nonzero) digits is 5806080, while the sum is 56.

It can be divided in two parts, 1265822 and 78609, that added together give a palindrome (1344431).

The spelling of 126582278609 in words is "one hundred twenty-six billion, five hundred eighty-two million, two hundred seventy-eight thousand, six hundred nine".