51155305339 has 2 divisors, whose sum is σ = 51155305340. Its totient is φ = 51155305338.

The previous prime is 51155305259. The next prime is 51155305361. The reversal of 51155305339 is 93350355115.

51155305339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51155305339 - 2¹¹ = 51155303291 is a prime.

It is not a weakly prime, because it can be changed into another prime (51155305379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25577652669 + 25577652670.

It is an arithmetic number, because the mean of its divisors is an integer number (25577652670).

Almost surely, 2^51155305339 is an apocalyptic number.

51155305339 is a deficient number, since it is larger than the sum of its proper divisors (1).

51155305339 is an equidigital number, since it uses as much as digits as its factorization.

51155305339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151875, while the sum is 40.

The spelling of 51155305339 in words is "fifty-one billion, one hundred fifty-five million, three hundred five thousand, three hundred thirty-nine".