51938679211 has 2 divisors, whose sum is σ = 51938679212. Its totient is φ = 51938679210.

The previous prime is 51938679193. The next prime is 51938679269. The reversal of 51938679211 is 11297683915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51938679211 - 2⁷ = 51938679083 is a prime.

It is a super-3 number, since 3×51938679211³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (51938619211) 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 as a sum of consecutive naturals, namely, 25969339605 + 25969339606.

It is an arithmetic number, because the mean of its divisors is an integer number (25969339606).

Almost surely, 2^51938679211 is an apocalyptic number.

51938679211 is a deficient number, since it is larger than the sum of its proper divisors (1).

51938679211 is an equidigital number, since it uses as much as digits as its factorization.

51938679211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 52.

The spelling of 51938679211 in words is "fifty-one billion, nine hundred thirty-eight million, six hundred seventy-nine thousand, two hundred eleven".