51139167341 has 2 divisors, whose sum is σ = 51139167342. Its totient is φ = 51139167340.

The previous prime is 51139167307. The next prime is 51139167371. The reversal of 51139167341 is 14376193115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48024969316 + 3114198025 = 219146^2 + 55805^2 .

It is a cyclic number.

It is not a de Polignac number, because 51139167341 - 2¹⁸ = 51138905197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51139167371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25569583670 + 25569583671.

It is an arithmetic number, because the mean of its divisors is an integer number (25569583671).

Almost surely, 2^51139167341 is an apocalyptic number.

It is an amenable number.

51139167341 is a deficient number, since it is larger than the sum of its proper divisors (1).

51139167341 is an equidigital number, since it uses as much as digits as its factorization.

51139167341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The spelling of 51139167341 in words is "fifty-one billion, one hundred thirty-nine million, one hundred sixty-seven thousand, three hundred forty-one".