51110600137 has 2 divisors, whose sum is σ = 51110600138. Its totient is φ = 51110600136.

The previous prime is 51110600131. The next prime is 51110600159. The reversal of 51110600137 is 73100601115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42171086736 + 8939513401 = 205356^2 + 94549^2 .

It is a cyclic number.

It is not a de Polignac number, because 51110600137 - 2¹¹ = 51110598089 is a prime.

It is a super-2 number, since 2×51110600137² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51110600131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555300068 + 25555300069.

It is an arithmetic number, because the mean of its divisors is an integer number (25555300069).

Almost surely, 2^51110600137 is an apocalyptic number.

It is an amenable number.

51110600137 is a deficient number, since it is larger than the sum of its proper divisors (1).

51110600137 is an equidigital number, since it uses as much as digits as its factorization.

51110600137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The spelling of 51110600137 in words is "fifty-one billion, one hundred ten million, six hundred thousand, one hundred thirty-seven".