51004514123 has 2 divisors, whose sum is σ = 51004514124. Its totient is φ = 51004514122.

The previous prime is 51004514081. The next prime is 51004514153. The reversal of 51004514123 is 32141540015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51004514123 - 2⁶ = 51004514059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51004514092 and 51004514101.

It is not a weakly prime, because it can be changed into another prime (51004514153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502257061 + 25502257062.

It is an arithmetic number, because the mean of its divisors is an integer number (25502257062).

Almost surely, 2^51004514123 is an apocalyptic number.

51004514123 is a deficient number, since it is larger than the sum of its proper divisors (1).

51004514123 is an equidigital number, since it uses as much as digits as its factorization.

51004514123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 51004514123 in words is "fifty-one billion, four million, five hundred fourteen thousand, one hundred twenty-three".