5211556579 has 2 divisors, whose sum is σ = 5211556580. Its totient is φ = 5211556578.

The previous prime is 5211556549. The next prime is 5211556589. The reversal of 5211556579 is 9756551125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5211556579 - 2⁵ = 5211556547 is a prime.

It is a super-2 number, since 2×5211556579² = 54320643952236366482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5211556529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605778289 + 2605778290.

It is an arithmetic number, because the mean of its divisors is an integer number (2605778290).

Almost surely, 2^5211556579 is an apocalyptic number.

5211556579 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211556579 is an equidigital number, since it uses as much as digits as its factorization.

5211556579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472500, while the sum is 46.

The square root of 5211556579 is about 72191.1114958067. Note that the first 3 decimals coincide. The cubic root of 5211556579 is about 1733.7606919333.

The spelling of 5211556579 in words is "five billion, two hundred eleven million, five hundred fifty-six thousand, five hundred seventy-nine".