51233511029 has 2 divisors, whose sum is σ = 51233511030. Its totient is φ = 51233511028.

The previous prime is 51233511013. The next prime is 51233511053. The reversal of 51233511029 is 92011533215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26403000100 + 24830510929 = 162490^2 + 157577^2 .

It is a cyclic number.

It is not a de Polignac number, because 51233511029 - 2⁴ = 51233511013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51233510986 and 51233511004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51233511059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25616755514 + 25616755515.

It is an arithmetic number, because the mean of its divisors is an integer number (25616755515).

Almost surely, 2^51233511029 is an apocalyptic number.

It is an amenable number.

51233511029 is a deficient number, since it is larger than the sum of its proper divisors (1).

51233511029 is an equidigital number, since it uses as much as digits as its factorization.

51233511029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 51233511029 in words is "fifty-one billion, two hundred thirty-three million, five hundred eleven thousand, twenty-nine".