51083426238137 has 2 divisors, whose sum is σ = 51083426238138. Its totient is φ = 51083426238136.

The previous prime is 51083426238049. The next prime is 51083426238167. The reversal of 51083426238137 is 73183262438015.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43640438300281 + 7442987937856 = 6606091^2 + 2728184^2 .

It is a cyclic number.

It is not a de Polignac number, because 51083426238137 - 2¹⁶ = 51083426172601 is a prime.

It is not a weakly prime, because it can be changed into another prime (51083426238167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25541713119068 + 25541713119069.

It is an arithmetic number, because the mean of its divisors is an integer number (25541713119069).

Almost surely, 2^{51083426238137} is an apocalyptic number.

It is an amenable number.

51083426238137 is a deficient number, since it is larger than the sum of its proper divisors (1).

51083426238137 is an equidigital number, since it uses as much as digits as its factorization.

51083426238137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 51083426238137 in words is "fifty-one trillion, eighty-three billion, four hundred twenty-six million, two hundred thirty-eight thousand, one hundred thirty-seven".