3126125899679 has 16 divisors (see below), whose sum is σ = 3189677253120. Its totient is φ = 3063136396320.

The previous prime is 3126125899669. The next prime is 3126125899727. The reversal of 3126125899679 is 9769985216213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3126125899679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126125899669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22591169 + ... + 22729125.

It is an arithmetic number, because the mean of its divisors is an integer number (199354828320).

Almost surely, 2^{3126125899679} is an apocalyptic number.

3126125899679 is a deficient number, since it is larger than the sum of its proper divisors (63551353441).

3126125899679 is a wasteful number, since it uses less digits than its factorization.

3126125899679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139990.

The product of its digits is 88179840, while the sum is 68.

The spelling of 3126125899679 in words is "three trillion, one hundred twenty-six billion, one hundred twenty-five million, eight hundred ninety-nine thousand, six hundred seventy-nine".