51504732311 has 2 divisors, whose sum is σ = 51504732312. Its totient is φ = 51504732310.

The previous prime is 51504732299. The next prime is 51504732313. The reversal of 51504732311 is 11323740515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51504732311 - 2⁶ = 51504732247 is a prime.

Together with 51504732313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51504732313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25752366155 + 25752366156.

It is an arithmetic number, because the mean of its divisors is an integer number (25752366156).

Almost surely, 2^51504732311 is an apocalyptic number.

51504732311 is a deficient number, since it is larger than the sum of its proper divisors (1).

51504732311 is an equidigital number, since it uses as much as digits as its factorization.

51504732311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 51504732311 in words is "fifty-one billion, five hundred four million, seven hundred thirty-two thousand, three hundred eleven".