126613200664037 has 4 divisors (see below), whose sum is σ = 127842455039520. Its totient is φ = 125383946288556.

The previous prime is 126613200664033. The next prime is 126613200664091. The reversal of 126613200664037 is 730466002316621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126613200664037 - 2² = 126613200664033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126613200663982 and 126613200664000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126613200664031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614627187587 + ... + 614627187792.

It is an arithmetic number, because the mean of its divisors is an integer number (31960613759880).

Almost surely, 2^{126613200664037} is an apocalyptic number.

It is an amenable number.

126613200664037 is a deficient number, since it is larger than the sum of its proper divisors (1229254375483).

126613200664037 is a wasteful number, since it uses less digits than its factorization.

126613200664037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229254375482.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 126613200664037 in words is "one hundred twenty-six trillion, six hundred thirteen billion, two hundred million, six hundred sixty-four thousand, thirty-seven".