5122356990779 has 6 divisors (see below), whose sum is σ = 5958660173004. Its totient is φ = 4390591706340.

The previous prime is 5122356990763. The next prime is 5122356990827. The reversal of 5122356990779 is 9770996532215.

It is not a de Polignac number, because 5122356990779 - 2⁴ = 5122356990763 is a prime.

It is a super-2 number, since 2×5122356990779² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5122356999779) 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 5 ways as a sum of consecutive naturals, for example, 52268948837 + ... + 52268948934.

It is an arithmetic number, because the mean of its divisors is an integer number (993110028834).

Almost surely, 2^{5122356990779} is an apocalyptic number.

5122356990779 is a deficient number, since it is larger than the sum of its proper divisors (836303182225).

5122356990779 is a wasteful number, since it uses less digits than its factorization.

5122356990779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104537897785 (or 104537897778 counting only the distinct ones).

The product of its (nonzero) digits is 64297800, while the sum is 65.

The spelling of 5122356990779 in words is "five trillion, one hundred twenty-two billion, three hundred fifty-six million, nine hundred ninety thousand, seven hundred seventy-nine".